Founded in 1988 in Geneva, NGSA specializes in the field of prestigious numismatics. In over 30 years of business, we have built up an international clientele through our expertise and the organization of auctions. We are a benchmark in the field of collector coins. NGSA’s team is renowned for its reliability, speed and availability, and has also won the trust of numerous banking institutions in Switzerland and abroad. Today, our company is a key player in the market. For any evaluation, appraisal or offer to buy or sell coins, medals, our team is at your entire disposal.

Herr Poni hat uns beim Verkauf unseres Elternhauses sehr kompetent beraten. Er kennt den Häusermarkt sehr gut und wir fühlten uns von Anfang an in den besten Händen. Herr Poni ist freundlich, zuverlässig und sehr effizient. Wir konnten unser Haus innerhalb kürzester Zeit und ohne jeglichen Stress verkaufen und sind mit dem Ergebnis sehr zufrieden. Vielen Dank Herr Poni. Die Erbengemeinschaft Ursula, Barbara und Cornelia

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