Posted by Drew Hause on September 6, 2014, 2:24 pm, in reply to "Re: 'HDB'"
Thanks Dave
It's likely 'EH', possibly Ernest Heuse-Lemoine who was both a maker and export agent, and 'BD' for Bauduin Doyen, a Nessonvaux damascus barrel and gun maker. They became part of the Syndicat des Fabricants de canons de fusils de la Vesdre in 1907.