Calendar of Events

April 6-8, 2018, The Mira HongKong, Hong Kong (HK)

4th Hong Kong Coin Show

April 18-21, 2018, Palmers House, Chicago (USA)

Chicago Coin Expo

April 28, 2018, BERNEXPO, Bern (CH)

BERNA, 47. Coin Fair Berne

April 28-30, 2018, Royal Park Hotel, Tokyo (JPN)

Tokyo International Coin Convention (T.I.C.C.)

May 1, 2018, Hannover Congress Center, Hannover (GER)

107. Hannover Coin Show

May 14-16, 2018, Zurich

SINCONA Auctions 46-47



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.


We constantly seek coins, medals and notes for our customers. We shall gladly accept individual pieces, as well as entire collections.


We produce professional and market-aligned estimates upon request. Needless to say, such estimates always represent specific purchase offers.

Coin Lending

Are you temporarily low on cash albeit unwilling to part with your treasures? Learn more about coin lending!

Precious metals trading

Would you like to buy (as coins or bars) or sell gold, silver or other precious metals at the best price?

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.