Die Patisserie von Nora Mario sind ein Gedicht. Preis/Leistung hervorragend! Weiter so! Helena G.

Il a solution à tous les petits soucis de la bicyclette. Travail avec soin et passion. Un bonheur d'avoir des artisans comme messieurs Noverraz Père & Fils. Merci !

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.

Superbe accueil, conseils avisés et très professionnel. Prennent le temps, prix très corrects

J’y vais depuis mon enfance. Toujours ravie des services et des conseils. Je vous le recommande.