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The Croeseid, anciently Kroiseioi stateres, was a type of coin, either in gold or silver, which was minted in Sardis by the king of Lydia Croesus (561–546 BC) from around 550 BC. Croesus is credited with issuing the first true gold coins with a standardised purity for general circulation, [ 1 ] and the world's first bimetallic monetary system .
The bowl can be placed over a sand bag or leather ring, and tilted to whatever angle is most convenient. A heat gun or blow torch to soften the pitch in order to fix the plate, or to release it. A set of "punches", that is, chisels with smooth tips that are used to push the metal: A "liner" has a flattened tip with a slightly curved blunt edge.
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Rendering of a jewellery design before going to the jeweller's bench. Jewellery design is the art or profession of designing and creating jewellery.It is one of civilization's earliest forms of decoration, dating back at least 7,000 years to the oldest-known human societies in Indus Valley Civilization, Mesopotamia, and Egypt.
Coin type of Croesus, the Croeseid, minted in Lydia, under the rule of Cyrus the Great to Darius I. Circa 545–520. It only weighs 8.06 g, compared to the standard 10.7 grams of the Croeseid. [6] Lycia coin, with obverse bull protome and reverse incuse punch mark using a geometrical motif, circa 520-470 BC
The metals used in granulation are usually gold and/or silver alloys of high purity – alloys below 18 kt. gold and sterling silver being unsuitable. With each technique, the process begins with the making of the granules themselves. [2] The granules are made from the same material as the base to which they will be affixed.