Founded in 1988 in Geneva, NGSA specializes in the field of prestigious numismatics. In over 35 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.

Peter Böcklin is an architect based in Geneva, providing architectural services including design and planning.

Que de connivence dans les choix proposés!! Tout ce que j’aime s’y trouve et/ou m’y attend!! Un vrai bonheur! Merci et Bravo!!!

Grand choix, accueil chaleureux

Très bonne expérience, super accueil, mademoiselle super gentil et souriente et rachat de mes biens à un prix très satisfaisant, je recommande.