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Auctioneers Dr. Crott 90th Auction

476475 Robert Koch, Frankfurt, Jeweller to the Court, circa 1920 A rare Art Deco brooch Case: gold, tourmaline and diamonds. Robert Koch, jeweller to the court, was sometimes called “the German Cartier who custom-made diadems for royal houses” In 1879 Robert Koch opened a jewellery store with his brother Louis as a partner. The business soon gained an international reputation and a branch in Baden-Baden was opened. Amongst the clients were a number of royal houses such as the House of Hohenzollern and around the turn of the century the brothers Koch were awarded the title of jewellers to the court. The store continued with its exquisite and high value product range after the deaths of the Koch brothers and remained in business until 1986. Source: http://www.stadtgeschichte-ffm.de/abteilungen/ abteilung_3/03701inhalt.html, as of 10/05/2014. 專業珠寶家Robert Koch, 德國法蘭克福 — 罕見的裝飾藝術 Art decó胸針 39792 C: 2 5.500 - 9.000 EUR 6.900 - 11.300 USD 55.000 - 90.000 HKD Carl Friedrich Heisler, Mannheim, Jeweller to the Court, 7,5 g, circa 1910 A rare bracelet studded with emeralds and diamonds in its original box Case: brilliant of old cut, G/VS2, approx. 1,6ct. 珠寶專家Carl Friedrich Heisler, Mannheim 德國 — 稀世的 細長鑲鑽錶帶,附原盒 39788 C: 2 16.000 - 20.000 EUR 20.000 - 25.000 USD 160.000 - 200.000 HKD

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