At that time, the company name was “Stiche Düssel am Gendarmenmarkt”.
In the late 1940s, my grandfather Anton Düssel held his first small book and graphic auction in Düsseldorf.
rare books Schweiz antiques Jason Anton Düssel Gendarmenmarkt Stiche Düssel
As an antiquarian, I am interested in purchasing and am happy to answer any questions you may have.