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UnoAErre Italia is a goldsmith, jewelry and watchmaking company based in Arezzo, [ 1 ] [ 2 ] The company manufactures, distributes and exports of gold and jewelry in Italy and abroad. History
Italy has a long history of different coinage types, which spans thousands of years. Italy has been influential at a coinage point of view: the medieval Florentine florin, one of the most used coinage types in European history and one of the most important coins in Western history, [1] was struck in Florence in the 13th century, while the Venetian sequin, minted from 1284 to 1797, was the most ...
A hallmark is an official mark or series of marks struck on items made of metal, mostly to certify the content of noble metals—such as platinum, gold, silver and in some nations, palladium. In a more general sense, the term hallmark is used to refer to any standard of quality.
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The sequin or zechin (/ ˈ s iː k w ɪ n /; Venetian and Italian: zecchino [dzekˈkiːno]) is a gold coin minted by the Republic of Venice from the 13th century onwards. The design of the Venetian gold ducat , or zecchino , remained unchanged for over 500 years, from its introduction in 1284 to the takeover of Venice by Napoleon in 1797.
The BIS system of hallmarking of gold jewellery began in April 2000. The standard specifications governing this system are IS 1417 (grades of gold and gold alloys, jewellery/artefacts), IS 1418 (assaying of gold in gold bullion, gold alloys and gold jewellery/artefacts), IS 2790 (guidelines for manufacture of 14, 18 and 22 carat gold alloys only ), IS 3095 (gold solders for use in manufacture ...
Nearly 50 gold pieces of art created by Italian sculptor Umberto Mastroianni were stolen from an exhibition near Lake Garda, Italy, on Wednesday night, the host of the exhibition, the Vittoriale ...
24-carat gold is pure (while 100% purity is very difficult to attain, 24-carat as a designation is permitted in commerce for a minimum of 99.95% purity), 18-carat gold is 18 parts gold, 6 parts another metal (forming an alloy with 75% gold), 12-carat gold is 12 parts gold (12 parts another metal), and so forth.