SINCONA AG Numismatics Auctions and Precious Metals favicon

SINCONA AG Numismatics Auctions and Precious Metals

SINCONA AG is a Zurich-based numismatics auction house specializing in coins, banknotes, medals, decorations, and precious metals. The site highlights upcoming international auctions, consignment opportunities, auction archives, and topical articles about collecting and monetary history. It also presents professional valuation, buying, selling, and appraisal services for individual items and complete collections.

Domain: sincona.com

Added: 2026-05-10 · Updated: 2026-05-10

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Zurich banknotes collectibles numismatics medals precious metals coin auctions appraisal

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