Münzenhandlung Erwin Dietrich AG is one of the oldest numismatic houses in Switzerland, dealing mainly with the buying and selling of old gold, old silver, coins and numismatics (collection of coins, banknotes, medals and old stocks).

Très bon accueil, convivial. Propositions de rachat pièces et/ou bijoux raisonnables. De bon conseil. Applique les valeurs du marché avec une marge raisonnable

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.

Stets sehr freundlicher Empfang und grosses Angebot. Interessante Auktionen.

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

Sotheby’s has been uniting collectors with world-class works of art since 1744. Sotheby’s presents auctions in ten different salesrooms, including New York, London, Hong Kong and Paris.

Contact avec Mr RHEINER Gabriel, réponse rapide et de bons conseils quant à la vente éventuelle. C'est avec plaisir que je conseillerai cette personne. Merci.