Fiable professionnel, la meilleure offre sur le marché (fluctuant). Nous recommandons cette entreprise

Nous avons pu participer à la création de nos alliances qui ont été faites sur mesure par un artisan formidable. Nous sommes heureux du résultat. Merci

da collezionista mi sono rivolto a Preziosi per l’acquisto di un orologio di elevato pregio. Il signor Argiolas e’ estremamente competente, ho acquistato il pezzo che desideravo. molto soddisfatto,consiglio a tutti gli appassionati di orologi di visitare il negozio per consulenza e visione

Personnel souriant et à l’écoute, ils m’ont racheté de l’or au prix que je souhaitais

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 confidence 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.

Hier werden wahrlich die schönsten Ringe für uns gefertigt. Weisgold in Kombination mit grünem Granit aus Tessin. Wirklich mit viel Liebe und Handwerkskunst gemacht. Claudia&Onno