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.
Stamp expertsWe provide you with professional advice about selling your stamps. Your questions will be answered in full by our philately experts.More information
Coin expertsIf you have questions about selling coins, our numismatics experts are at hand with comprehensive answers and professional advice.More information