At your side since 2011 – competent, personal, discreet
Whether at auctions, in purchasing and selling, or with appraisals: the SINCONA experts will offer you personal advice and share your passion for numismatics. How can we help you?
Our philosophy
Benchmark quality and personal service from renowned experts
SINCONA is short for Swiss International Coin Auction AG. Since our foundation in 2011, we have made a name for ourselves far beyond Switzerland as a specialised auction house for valuable and rare coins, medals, banknotes, orders and decorations.
What unites us all at SINCONA is a fascination with numismatics and its countless exciting and enriching areas of collecting. We treasure personal contact with our customers and maintain long-standing relationships around the globe. Your trust fills us with pride, and we look forward to offering you new, memorable and inspiring experiences in the world of numismatics.
Whatever fascinates you, whatever you are looking for: at SINCONA, you will find specialised experts who share your passion and will competently accompany you on your personal journey as a collector.
«The fact that we are trusted by collectors from all over the world and have the privilege of sharing our fascination with numismatics with them motivates and inspires us every day.»
Jürg Richter, Founder an CEO of SINCONA Group
SINCONA
Our team
Expert service, an extraordinary level of quality, reliability and professionalism in all areas of numismatics and precious metals – this is what you get with the SINCONA team.
We look forward to advising and assisting you personally.
Jürg Richter
Owner and managing director, numismatist and auctioneer by passion
Phone: +41 44 215 10 93Email:
lic. iur. Michael Hardmeier
Lawyer, numismatist, auctioneer
Phone: +41 44 215 10 96Email:
Arne Kirsch
Numismatist, auctioneer & publicly appointed expert
Phone: +41 44 215 10 98Email:
Michael Otto
Head of numismatics
Phone: +41 44 215 10 95Email:
Dr. Ruedi Kunzmann
Expert for Swiss coins and banknotes
Phone: +41 44 215 10 92Email:
Timur Demiral
Numismatist
Phone: +41 44 215 10 97Email:
Mirjam Strehler
Client services
Phone: +41 44 215 10 90Email:
Monika Richter
Client services
Phone: +41 44 215 10 94Email:
Olga Ziegler
Accountant with federal certificate
Phone: +41 44 215 10 90Email:
Michael Autengruber
Expert in orders of knighthood and orders of merit, decorations and medals of merit
Phone: +41 44 215 10 90Email:
Juliet Divo
Certified fiduciary expert and industry insider
Phone: +41 44 215 10 91Email:
Daria Fedotova
Correspondent for our Russian speaking collectors and dealers
Phone: +41 44 215 10 90Email:
Memberships
Well connected in leading numismatic professional associations
SINCONA actively advocates for the highest standards and professional expertise in numismatics – these memberships underscore our commitment:
Our partners
Strong partnerships
Trust-based cooperation with competent partners is of the utmost importance for us. We are proud to work closely with many companies from various fields and to be able to draw on their knowledge and skills.
Do you have a question or a specific request? We are happy to assist you personally.
SINCONA AG
Limmatquai 112
8001 Zurich
Switzerland
Email:
Phone: +41 44 215 10 90
WhatsApp
SINCONA Group
Experts for numismatics and precious metals under one roof
In addition to SINCONA AG, the SINCONA Group includes SINCONA TRADING AG for precious metals in the form of coins or bars, SINCONA Deutschland GmbH and Frankfurter Münzhandlung Nachfolge GmbH, which focus on the EU market, as well as Münzen Gut-Lynt GmbH, which specialises in online auctions.
SINCONA in numbers since 2011
More than
102
auction catalogues
More than
135,000
lots sold
Highest hammer
3.6
Mio. CHF
Media
Press releases and articles on numismatics
Here you will find the latest press releases, articles and publications, as well as other important news from the SINCONA Group. The texts and images may be used free of charge, provided the source is acknowledged.