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.
26.03.2020Student assistants wanted We are hiring to support our and catalogue and auctions. Studens are welcome. more
18.03.2020Handling the corona virusWe have temporarily suspended our regular opening terms to the public from 18.3.2020. Individually agreed appointments are still possible. Call: +49 211 550 440 more
03.03.2020HERTOGPOST 2020 cancelledHERTOGPOST got cancelled. there will be no exhibition from 19 to 21 March 2020. more
13.02.2020Girls Day cancledUnfortunately we have to cancel Girls Day on 26 March 2020. We will inform you about possible catch-up dates. more
08.02.2020 Winterstamps in the Netherlands Meet us at the Dutch stamp exchange "Winterstamps" in Veenendaal - advice and estimates on site. more