How to find usOur offices are located in the centre of Düsseldorf, not far from the Central Train Station.
Hepburn stampsFelzmann auctioned three of the five famous Audrey Hepburn stamps. The most valuable modern postage stamp in the world.
Selling or auctioning stamps?The advantages of selling your stamps. Which selling model is most suitable for you?
Selling a coin collectionWhy not benefit from the experience of our numismatists? It will be in good hands with our experienced experts.
Having stamps evaluatedOur stamp experts will gauge the value of stamp collections free of charge and free of obligation.
The value of coinsSpecial products call for special attention. Selling coins is our business. Why not benefit from our decades of experience?More information
Inherited coinsIf you have inherited coins and would like to know what your options are, we will give you valuable tips on what to do and what not to do before having them examined by an expert.More information
Personal coin collectionsInterested in selling your coin collection? Why not benefit from the experience of our numismatists? We will tell you the best way to present your collection to collectors and dealers.More information
BanknotesYou would like to sell banknotes or notes? On this page you will find further information for the purchase of banknotes for our auctions.More information
FAQ coinsThe most frequently asked questions about coins, medals, banknotes and medallions. You can find answers to your questions here.More information