Non avete ancora un login?

Clicca qui per registrarti »

Sono già registrato - Login:

Dimenticato la password?

Gioielli

martedì 24 marzo 2015, 10h00



Filtro

Ricerca


"Salvare questo termine di ricerca come ""La mia ricerca"">>."
azzeramento/reset

DIAMOND RING. White gold 375. Set with 1 brilliant-cut diamond weighing ca. 0.40 ct and 2 single-cut diamonds. Size ca. 49.

Lotto 9255 - W244 Gioielli - martedì 24 marzo 2015, 10h00

DIAMOND RING. White gold 375. Set with 1 brilliant-cut diamond weighing ca. 0.40 ct and 2 single-cut diamonds. Size ca. 49.

Weissgold 375.
Klassisches Solitaire-Modell, besetzt mit 1 Brillant von ca. 0.40 ct, flankiert von 2 Achtkant-Diamanten. Gr. ca. 49.

CHF 400 / 600 | (€ 410 / 620)

Venduto per CHF 1 342 (incl. premio)

Dettagli Il mio catalogo Richieste di informazioni

TWO PAIRS OF GOLD EARRINGS, GÜBELIN. White gold 750, 24 g. Modern, pierced ear clips. Ca. 1.9 cm.

Lotto 9257 - W244 Gioielli - martedì 24 marzo 2015, 10h00

TWO PAIRS OF GOLD EARRINGS, GÜBELIN. White gold 750, 24 g. Modern, pierced ear clips. Ca. 1.9 cm.

Weissgold 750, 24g.
Moderne, strukturierte, durchbrochen gearbeitete Ohrclips. Ca. 1,9 cm.

CHF 400 / 600 | (€ 410 / 620)

Venduto per CHF 488 (incl. premio)

Dettagli Il mio catalogo Richieste di informazioni

DIAMOND SNOWFLAKE BROOCH, E. MEISTER, ca. 1950. White gold 750. Set with 31 baguette-cut diamonds and 25 brilliant-cut diamonds. Total diamond weight ca. 1.40 ct in total. Ca. 3.3 cm Ø.

Lotto 9261 - W244 Gioielli - martedì 24 marzo 2015, 10h00

DIAMOND SNOWFLAKE BROOCH, E. MEISTER, ca. 1950. White gold 750. Set with 31 baguette-cut diamonds and 25 brilliant-cut diamonds. Total diamond weight ca. 1.40 ct in total. Ca. 3.3 cm Ø.

Weissgold 750.
Dekorative Brosche in Form eines Schneekristalls, ausgefasst mit 31 Diamant-Baguetten und 25 Brillanten von insgesamt ca. 1.40 ct. Ca. 3,3 cm Ø.

CHF 500 / 800 | (€ 520 / 820)

Venduto per CHF 2 196 (incl. premio)

Dettagli Il mio catalogo Richieste di informazioni

DIAMOND RING. White gold 750. Set with 1 brilliant-cut diamond weighing ca. 0.40 ct, the sides decorated with 22 brilliant-cut diamonds weighing ca. 0.30 ct. Size ca. 52, with size adjustment insert.

Lotto 9262 - W244 Gioielli - martedì 24 marzo 2015, 10h00

DIAMOND RING. White gold 750. Set with 1 brilliant-cut diamond weighing ca. 0.40 ct, the sides decorated with 22 brilliant-cut diamonds weighing ca. 0.30 ct. Size ca. 52, with size adjustment insert.

Weissgold 750.
Dekoratives Modell aus 2 ineinander befestigten Ringe, die Schauseite besetzt mit 1 Brillant von ca. 0.40 ct und seitlich verziert mit 22 Brillanten von zus. ca. 0.30 ct. Gr. ca. 52, mit Verkleinerungsspange.

CHF 700 / 1 000 | (€ 720 / 1 030)

Venduto per CHF 671 (incl. premio)

Dettagli Il mio catalogo Richieste di informazioni

DIAMOND RING, CARTIER. White gold 750, 13 g. Designed with open ends set with 26 brilliant-cut diamonds. Total diamond weight ca. 0.20 ct. Signed Cartier GL5014. Size ca. 51.

Lotto 9264* - W244 Gioielli - martedì 24 marzo 2015, 10h00

DIAMOND RING, CARTIER. White gold 750, 13 g. Designed with open ends set with 26 brilliant-cut diamonds. Total diamond weight ca. 0.20 ct. Signed Cartier GL5014. Size ca. 51.

Weissgold 750, 13g.
Leicht gewölbter, offener Bandring, die Abschlüsse verziert mit 26 Brillanten von zus. ca. 0.20 ct. Signiert Cartier GL5014. Gr. 51.

CHF 1 800 / 2 800 | (€ 1 860 / 2 890)

Venduto per CHF 2 318 (incl. premio)

Dettagli Il mio catalogo Richieste di informazioni

PINK SAPPHIRE AND DIAMOND RING. White gold 750. Set with 9 pink square-cut sapphires, invisible setting, and set throughout with numerous brilliant-cut diamonds weighing ca. 0.50 ct in total. Size ca. 51.

Lotto 9265 - W244 Gioielli - martedì 24 marzo 2015, 10h00

PINK SAPPHIRE AND DIAMOND RING. White gold 750. Set with 9 pink square-cut sapphires, invisible setting, and set throughout with numerous brilliant-cut diamonds weighing ca. 0.50 ct in total. Size ca. 51.

Weissgold 750.
Dekorativer kleiner Bandring, die Schauseite verziert mit 9 Pink-Saphir-Carrés, invisible setting, und ausgefasst mit zahlreichen Brillanten von zus. ca. 0.50 ct. Gr. ca. 51.

CHF 500 / 800 | (€ 520 / 820)

Venduto per CHF 610 (incl. premio)

Dettagli Il mio catalogo Richieste di informazioni

MOONSTONE AND DIAMOND RING. White gold 750. Set with 1 oval, blueish moonstone cabochon weighing ca. 9.10 ct and 40 circular-cut diamonds weighing ca. 0.30 ct. Size ca. 54.

Lotto 9266 - W244 Gioielli - martedì 24 marzo 2015, 10h00

MOONSTONE AND DIAMOND RING. White gold 750. Set with 1 oval, blueish moonstone cabochon weighing ca. 9.10 ct and 40 circular-cut diamonds weighing ca. 0.30 ct. Size ca. 54.

Weissgold 750.
Sportlich-eleganter Ring, die Schauseite besetzt mit 1 ovalen bläulichen Mondstein-Cabochon von ca. 9.10 ct, in Entourage von 28 Brillanten. Die Ringschultern zusätzlich verziert mit 12 Brillanten. Totalgewicht der Brillanten ca. 0.30 ct. Gr. ca. 54.

CHF 1 200 / 1 800 | (€ 1 240 / 1 860)

Venduto per CHF 1 952 (incl. premio)

Dettagli Il mio catalogo Richieste di informazioni

SAPPHIRE AND DIAMOND RING. White gold 750. Set with an oval-cut sapphire weighing ca. 4.90 ct and brilliant-cut diamonds. The ring shoulders set with tapered-cut and brilliant-cut diamonds. Total diamond weight ca. 1.50 ct. Size ca. 56.

Lotto 9267* - W244 Gioielli - martedì 24 marzo 2015, 10h00

SAPPHIRE AND DIAMOND RING. White gold 750. Set with an oval-cut sapphire weighing ca. 4.90 ct and brilliant-cut diamonds. The ring shoulders set with tapered-cut and brilliant-cut diamonds. Total diamond weight ca. 1.50 ct. Size ca. 56.

Weissgold 750.
Aparter Ring, die breite Schauseite besetzt mit 1 ovalen Saphir von ca. 4.90 ct in einer doppelten Brillantentourage. Die Ringschultern besetzt mit Diamanttrapezen und Brillanten. Gesamtgewicht der Diamanten ca. 1.50 ct. Gr. ca. 56.

CHF 3 000 / 5 000 | (€ 3 090 / 5 150)

Venduto per CHF 4 270 (incl. premio)

Dettagli Il mio catalogo Richieste di informazioni

SAPPHIRE AND DIAMOND RING, ca. 1920. Pink gold. Set with 1 fine sapphire cabochon of ca. 8 x 6.5 mm, within a border of 8 old-cut diamonds weighing ca. 1.60 ct in total. Size ca. 61.

Lotto 9269* - W244 Gioielli - martedì 24 marzo 2015, 10h00

SAPPHIRE AND DIAMOND RING, ca. 1920. Pink gold. Set with 1 fine sapphire cabochon of ca. 8 x 6.5 mm, within a border of 8 old-cut diamonds weighing ca. 1.60 ct in total. Size ca. 61.

Roségold.
Dekorativer Ring, die Schauseite besetzt mit 1 feinen Saphir-Cabochon von ca. 8 x 6,5 mm, in Entourage von 8 Altschliff-Diamanten von zus. ca. 1.60 ct. Gr. ca. 61.

CHF 2 000 / 3 000 | (€ 2 060 / 3 090)

Venduto per CHF 1 952 (incl. premio)

Dettagli Il mio catalogo Richieste di informazioni

SAPPHIRE AND DIAMOND RING. White gold 750. Set with an oval sapphire weighing ca. 5.00 ct and numerous diamonds weighing ca. 0.70 ct in total. Size ca. 56.

Lotto 9270 - W244 Gioielli - martedì 24 marzo 2015, 10h00

SAPPHIRE AND DIAMOND RING. White gold 750. Set with an oval sapphire weighing ca. 5.00 ct and numerous diamonds weighing ca. 0.70 ct in total. Size ca. 56.

Weissgold 750.
Klassisches Modell, die Schauseite besetzt mit 1 ovalen Saphir von ca. 5.00 ct und ausgefasst mit zahlreichen Diamanten von zus. ca. 0.70 ct. Gr. ca. 56.

CHF 2 000 / 3 000 | (€ 2 060 / 3 090)

Venduto per CHF 3 904 (incl. premio)

Dettagli Il mio catalogo Richieste di informazioni

SAPPHIRE AND DIAMOND BROOCH. White gold 750. Designed as a dragonfly, decorated with 1 oval and 8 round sapphires weighing ca. 0.60 ct, and set throughout with numerous brilliant-cut diamonds weighing ca. 0.50 ct. 1 diamond is missing. Ca. 6 x 3.8 cm.

Lotto 9271 - W244 Gioielli - martedì 24 marzo 2015, 10h00

SAPPHIRE AND DIAMOND BROOCH. White gold 750. Designed as a dragonfly, decorated with 1 oval and 8 round sapphires weighing ca. 0.60 ct, and set throughout with numerous brilliant-cut diamonds weighing ca. 0.50 ct. 1 diamond is missing. Ca. 6 x 3.8 cm.

Weissgold 750.
Dekorative Brosche in Form einer Libelle, verziert mit 1 ovalen und 8 runden Saphiren von zus. ca. 0.60 ct, ganz ausgefasst mit zahlreichen Brillanten von zus. ca. 0.50 ct. 1 Brillant fehlt. Ca. 6 x 3,8 cm.

CHF 700 / 1 000 | (€ 720 / 1 030)

Venduto per CHF 1 037 (incl. premio)

Dettagli Il mio catalogo Richieste di informazioni

SAPPHIRE AND DIAMOND RING, ca. 1960. White gold 750. Set with 1 oval Ceylon sapphire weighing ca. 1.50 ct, and 20 brilliant-cut diamonds weighing ca. 0.50 ct. Size ca. 54.

Lotto 9272* - W244 Gioielli - martedì 24 marzo 2015, 10h00

SAPPHIRE AND DIAMOND RING, ca. 1960. White gold 750. Set with 1 oval Ceylon sapphire weighing ca. 1.50 ct, and 20 brilliant-cut diamonds weighing ca. 0.50 ct. Size ca. 54.

Weissgold 750.
Klassischer Ring, die Schauseite besetzt mit 1 ovalen Ceylon-Saphir von ca. 1.50 ct, umgeben von 20 Brillanten von zus. ca. 0.50 ct. Gr. ca. 54.

CHF 1 500 / 2 000 | (€ 1 550 / 2 060)

Venduto per CHF 1 830 (incl. premio)

Dettagli Il mio catalogo Richieste di informazioni

TANZANITE AND DIAMOND RING. White gold 750. Set with 1 oval tanzanite weighing ca. 5.80 ct and 34 round diamonds weighing ca. 0.60 ct. Size ca. 53.

Lotto 9273* - W244 Gioielli - martedì 24 marzo 2015, 10h00

TANZANITE AND DIAMOND RING. White gold 750. Set with 1 oval tanzanite weighing ca. 5.80 ct and 34 round diamonds weighing ca. 0.60 ct. Size ca. 53.

Weissgold 750.
Klassisch-eleganter Ring, die Schauseite besetzt mit 1 ovalen Tansanit von ca. 5.80 ct, in Entourage von 24 Brillanten. Die Ringschultern zusätzlich verziert mit 10 Brillanten. Gesamtgewicht der Brillanten ca. 0.60 ct. Gr. ca. 53.

CHF 4 000 / 6 000 | (€ 4 120 / 6 190)

Venduto per CHF 4 270 (incl. premio)

Dettagli Il mio catalogo Richieste di informazioni

SAPPHIRE AND DIAMOND RING. Yellow gold 750, rhodium-plated. Set with 1 oval sapphire weighing ca. 4.00 ct, baguette-cut diamonds and round diamonds. Total weight of the diamonds ca. 1.00 ct. Size ca. 53.

Lotto 9274* - W244 Gioielli - martedì 24 marzo 2015, 10h00

SAPPHIRE AND DIAMOND RING. Yellow gold 750, rhodium-plated. Set with 1 oval sapphire weighing ca. 4.00 ct, baguette-cut diamonds and round diamonds. Total weight of the diamonds ca. 1.00 ct. Size ca. 53.

Gelbgold 750, rhodiniert.
Klassisch-eleganter Ring, die Schauseite besetzt mit 1 ovalen Saphir von ca. 4.00 ct, umgeben von diamantbesetzten Bandmotiven. Gesamtgewicht der Diamanten ca. 1.00 ct. Gr. ca. 53.

CHF 1 900 / 2 900 | (€ 1 960 / 2 990)

Venduto per CHF 3 172 (incl. premio)

Dettagli Il mio catalogo Richieste di informazioni

GOLD AND SAPPHIRE BRACELET, ca. 1950. Yellow gold 750, 87 g. 11-row bracelet with satin-finished surface. Clasp decorated with 55 small sapphires, 12 of which are missing. L ca. 19.5 cm.

Lotto 9276 - W244 Gioielli - martedì 24 marzo 2015, 10h00

GOLD AND SAPPHIRE BRACELET, ca. 1950. Yellow gold 750, 87 g. 11-row bracelet with satin-finished surface. Clasp decorated with 55 small sapphires, 12 of which are missing. L ca. 19.5 cm.

Gelbgold 750, 87g.
Klassisches, elfreihiges Stäbchen-Bracelet mit satinierter Oberfläche. Runder floral gestalteter Verschluss verziert mit 55 kleinen Saphiren, 12 davon fehlen. L ca. 19,5 cm.

CHF 1 600 / 2 600 | (€ 1 650 / 2 680)

Venduto per CHF 1 952 (incl. premio)

Dettagli Il mio catalogo Richieste di informazioni

GOLD BRACELET, E. MEISTER. White and yellow gold 750, 46 g. 5-row, King's chain bracelet. L ca. 18.5 cm. With original case.

Lotto 9277 - W244 Gioielli - martedì 24 marzo 2015, 10h00

GOLD BRACELET, E. MEISTER. White and yellow gold 750, 46 g. 5-row, King's chain bracelet. L ca. 18.5 cm. With original case.

Weiss- und Gelbgold 750, 46g.
Klassisches, fünfreihiges Bracelet aus Königsketten. L ca. 18,5 cm.

CHF 900 / 1 400 | (€ 930 / 1 440)

Venduto per CHF 1 220 (incl. premio)

Dettagli Il mio catalogo Richieste di informazioni

THREE PEARL AND DIAMOND RINGS, ca. 1950. Platinum 850, 950 and white gold 750. 1 ring set with a cultured pearl of ca. 9.7 mm, the ring shoulders set with diamonds. Size ca. 50. 1 ring set with a cultured pearl of ca. 10.9 mm, flanked by 2 baguette-cut diamonds weighing ca. 0.30 ct. Size ca. 54. 1 ring set with a cultured pearl of ca. 9 mm, within a border of 12 baguette-cut diamonds weighing ca. 1.80 ct. Size ca. 50.

Lotto 9278 - W244 Gioielli - martedì 24 marzo 2015, 10h00

THREE PEARL AND DIAMOND RINGS, ca. 1950. Platinum 850, 950 and white gold 750. 1 ring set with a cultured pearl of ca. 9.7 mm, the ring shoulders set with diamonds. Size ca. 50. 1 ring set with a cultured pearl of ca. 10.9 mm, flanked by 2 baguette-cut diamonds weighing ca. 0.30 ct. Size ca. 54. 1 ring set with a cultured pearl of ca. 9 mm, within a border of 12 baguette-cut diamonds weighing ca. 1.80 ct. Size ca. 50.

Platin 850, 950 und Weissgold 750.
Klassischer Ring besetzt mit 1 Zuchtperle von ca. 9,7 mm und mit diamantbesetzten floral gestalteten Ringschultern. Gr. ca. 50. Ein zweiter Ring mit 1 Zuchtperle von ca. 10,9 mm, flankiert von 2 Diamant-Baguetten von zus. ca. 0.30 ct. Gr. ca. 54. Ein Entourage Ring mit 1 Zuchtperle von ca. 9 mm, umgeben von 12 Diamant-Baguetten von zus. ca. 1.80 ct. Gr. ca. 50.

CHF 1 200 / 1 800 | (€ 1 240 / 1 860)

Venduto per CHF 1 464 (incl. premio)

Dettagli Il mio catalogo Richieste di informazioni

THREE PAIRS OF PEARL EARRINGS. Yellow and white gold 750 Two pairs of yellow gold ear clips, each set with 1 cultured pearl of ca. 10.5 mm. One pair of white gold ear clips, each set with 1 cultured pearl of ca. 9.7 mm, and set with 1 brilliant-cut diamond weighing ca. 0.40 ct in total.

Lotto 9279 - W244 Gioielli - martedì 24 marzo 2015, 10h00

THREE PAIRS OF PEARL EARRINGS. Yellow and white gold 750 Two pairs of yellow gold ear clips, each set with 1 cultured pearl of ca. 10.5 mm. One pair of white gold ear clips, each set with 1 cultured pearl of ca. 9.7 mm, and set with 1 brilliant-cut diamond weighing ca. 0.40 ct in total.

Gelb- und Weissgold 750
Zwei Paar Gelbgold-Ohrclips mit je 1 Zuchtperle von ca. 10,5 mm. Ein Paar mit je 1 Zuchtperle von ca. 9,7 mm, montiert unter 1 Brillant von zus. ca. 0.40 ct.

CHF 900 / 1 400 | (€ 930 / 1 440)

Venduto per CHF 1 342 (incl. premio)

Dettagli Il mio catalogo Richieste di informazioni

PEARL AND DIAMOND NECKLACE. Yellow gold 750. With 36 fine Akoya cultured pearls of ca. 9-9.5 mm Ø. The ball clasp set with brilliant-cut diamonds weighing ca. 1.20 ct. L ca. 38 cm.

Lotto 9281 - W244 Gioielli - martedì 24 marzo 2015, 10h00

PEARL AND DIAMOND NECKLACE. Yellow gold 750. With 36 fine Akoya cultured pearls of ca. 9-9.5 mm Ø. The ball clasp set with brilliant-cut diamonds weighing ca. 1.20 ct. L ca. 38 cm.

Gelbgold 750.
Klassisches Collier aus 36 feinen Akoya-Zuchtperlen von ca. 9-9,5 mm Ø, mit brillantbesetztem Kugelverschluss von ca. 1.20 ct. L ca. 38 cm.

CHF 1 000 / 1 500 | (€ 1 030 / 1 550)

Venduto per CHF 1 220 (incl. premio)

Dettagli Il mio catalogo Richieste di informazioni

DIAMOND RING. White gold 750. Designed as 3 crossed bands set with black and white diamonds weighing ca. 1.80 ct in total. Size ca. 55.

Lotto 9282* - W244 Gioielli - martedì 24 marzo 2015, 10h00

DIAMOND RING. White gold 750. Designed as 3 crossed bands set with black and white diamonds weighing ca. 1.80 ct in total. Size ca. 55.

Weissgold 750.
Moderner, breiter Ring aus drei gekreuzten Bändern, die Schauseite ausgefasst mit weissen und schwarzen Diamanten von zus. ca. 1.80 ct. Gr. ca. 55.

CHF 2 400 / 3 400 | (€ 2 470 / 3 510)

Venduto per CHF 2 928 (incl. premio)

Dettagli Il mio catalogo Richieste di informazioni

DIAMOND CUFF LINKS. White gold 750. Rectangular cuff links with diamond- set ends. Total weight of the 28 brilliant-cut diamonds ca. 0.70 ct.

Lotto 9287* - W244 Gioielli - martedì 24 marzo 2015, 10h00

DIAMOND CUFF LINKS. White gold 750. Rectangular cuff links with diamond- set ends. Total weight of the 28 brilliant-cut diamonds ca. 0.70 ct.

Weissgold 750.
Aparte, rechteckige Manschettenknöpfe aus geflochtenen Gold-Bänder mit brillantbesetzten Abschlüssen. Gesamtgewicht der 28 Brillanten ca. 0.70 ct.

CHF 1 400 / 2 000 | (€ 1 440 / 2 060)

Venduto per CHF 1 708 (incl. premio)

Dettagli Il mio catalogo Richieste di informazioni

TWO PAIRS OF CUFF LINKS. White gold 750, 37 g. One pair of triangular and one pair of square cuff links with a chessboard pattern.

Lotto 9288 - W244 Gioielli - martedì 24 marzo 2015, 10h00

TWO PAIRS OF CUFF LINKS. White gold 750, 37 g. One pair of triangular and one pair of square cuff links with a chessboard pattern.

Weissgold 750, 37g.
Dreieckige Manschettenknöpfe mit gerippter Oberfläche und dazu Viereckige satinierte Manschettenknöpfe mit Schachbrett-Dekor.

CHF 600 / 800 | (€ 620 / 820)

Venduto per CHF 976 (incl. premio)

Dettagli Il mio catalogo Richieste di informazioni

GOLD SAUTOIR, ca. 1960. Yellow gold ca. 550, 128 g. Decorative sautoir of oval, textured rings, connected by small intermediate eyelets. L ca. 72 cm.

Lotto 9289 - W244 Gioielli - martedì 24 marzo 2015, 10h00

GOLD SAUTOIR, ca. 1960. Yellow gold ca. 550, 128 g. Decorative sautoir of oval, textured rings, connected by small intermediate eyelets. L ca. 72 cm.

Gelbgold ca. 550, 128g.
Sportlich-dekoratives Sautoir aus ovalen, strukturierten Ringglieder, miteinander verbunden durch kleine Zwischenösen. L ca. 72 cm.

CHF 2 200 / 3 200 | (€ 2 270 / 3 300)

Venduto per CHF 2 684 (incl. premio)

Dettagli Il mio catalogo Richieste di informazioni

PEARL NECKLACE. White gold 750. With 38 freshwater cultured pearls of ca. 11-11.3 mm Ø, in shades of pastel. Satin-finished ball clasp. L ca. 44 cm.

Lotto 9291* - W244 Gioielli - martedì 24 marzo 2015, 10h00

PEARL NECKLACE. White gold 750. With 38 freshwater cultured pearls of ca. 11-11.3 mm Ø, in shades of pastel. Satin-finished ball clasp. L ca. 44 cm.

Weissgold 750.
Attraktives Collier aus 38 Süsswasser-Zuchtperlen von ca. 11-11,3 mm Ø in Pastelltönen, mit satiniertem Kugelverschluss. L ca. 44 cm.

CHF 400 / 600 | (€ 410 / 620)

Venduto per CHF 488 (incl. premio)

Dettagli Il mio catalogo Richieste di informazioni

PEARL NECKLACE. Silver 925, gold-plated. With 41 white freshwater cultured pearls of ca. 9-10.2 mm Ø. Polished magnetic closure. L ca. 43.5 cm.

Lotto 9292* - W244 Gioielli - martedì 24 marzo 2015, 10h00

PEARL NECKLACE. Silver 925, gold-plated. With 41 white freshwater cultured pearls of ca. 9-10.2 mm Ø. Polished magnetic closure. L ca. 43.5 cm.

Silber 925, vergoldet.
Dekoratives Collier aus 41 weissen Süsswasser-Zuchtperlen von ca. 9-10,2 mm Ø, mit poliertem Magnetverschluss. L ca. 43,5 cm.

CHF 400 / 600 | (€ 410 / 620)

Venduto per CHF 427 (incl. premio)

Dettagli Il mio catalogo Richieste di informazioni