SINCONA British CollectionProbably the most complete collection of British gold coins in private hands
13.12.2021We are here for you!All our numismatic services (estimations of coins and medals, direct sale of numismatic items, as well as consignments for auctions, etc.) will continue to be available to you. However, we request that you contact us by telephone or in writing before your visit so that we can comply with the official regulations.Please observe the generally known guidelines of the authorities as well as the measures taken on site and protect yourself and others.Please contact us if you have coins, medals, banknotes, orders and decorations that you would like to sell or consign for auction but cannot visit us in Zurich. We will be happy to advise you by telephone or e-mail and can also visit you on site.We look forward to seeing you and wish you all the best in good health.
10.09.2021SINCONA British CollectionWe're absolutely delighted to announce the SINCONA British Collection, probably the most complete collection of British gold coins in private hands.Put together over many decades with great love and passion for the coins and the history of the British empire, the SINCONA British Collection comprises numerous extremely rare or even unique pieces in mostly outstanding states of preservation and often with important provenances, sometimes even going back to the 19th century.The first part of more than 400 coins will be offered in SINCONA Auction 72 on Sunday, November 21, 2021. More details, previews and the auction catalog will follow soon!
20.04.2021LES MONNAIES EN OR EMISES PAR L’ATELIER MONETAIRE MUNICIPAL DE STRASBOURG (1508–c. 1682)Nous sommes fiers de présenter à nos clients l'importante contribution numismatique de Marc Klein sur les monnaies en or de la ville de Strasbourg 1508-c. 1682.Cette contribution - ainsi que plusieurs autres - sera publiée dans la publication commémorative du 10e anniversaire de SINCONA AG en avril 2021.--------We are proud to present to our esteemed clients the important numismatic contribution of Marc Klein on the gold coins of the city of Strasbourg between 1508 and ca. 1682. This article has been published - among many others - in the commemorative publication for the 10th anniversary of SINCONA AG in April 2021. Vous trouverez ici l'article à télécharger en PDF / Here you can find the article for download in PDF.
April 29-May 1, 2022, Royal Park Hotel, Tokyo (JPN)33rd Tokyo International Coin Convention (T.I.C.C.)
Auctions We hold two internationally renowned auctions twice a year in Zurich, offering our customers a large selection of coins, banknotes, medals, etc. We encourage your participation, whether as buyer or consignor. Further information
Purchase We constantly seek coins, medals and notes for our customers. We shall gladly accept individual pieces, as well as entire collections. Further information
Estimations We produce professional and market-aligned estimates upon request. Needless to say, such estimates always represent specific purchase offers. Further information
Coin Lending Are you temporarily low on cash albeit unwilling to part with your treasures? Learn more about coin lending! Further information
Precious Metals Trading Would you like to buy or sell gold, silver or other precious metals as bars or coins at the best price? Further information
Safe Deposit Boxes Store your valuables and important documents in a safe, discreet, and insurable manner in the safe-deposit boxes of SINCONA TRADING AG, accessible at all times at a prime location in Zurich. Further information