Founded in 1988 in Geneva, Numismatica Genevensis SA (NGSA) has over 35 years of experience in numismatic excellence, serving an international clientele and setting the benchmark for trading quality coins. 

As a member of both the International and Swiss Associations of Professional Numismatists, NGSA’s auctions have achieved record‑breaking results.

This success rests on a team of seasoned numismatists, many holding advanced degrees and active in scholarly circles, who provide expert authentication, valuation, and advice for collectors and institutions worldwide.

NUMISMATICA GENEVENSIS SA

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