C
About
Constantin Coins is your expert numismatist and coin dealer in Hamburg-Blankenese, offering fair pricing, honest assessments, and personalized consultation since 2019. Whether you're looking to expand your collection or sell coins and medals, we provide individual guidance through direct purchase or our own auctions to find the best solution for your needs. Our specialized services include discrete, knowledgeable advice on buying and selling coins, with flexible options tailored to each collector's preferences.