Folding pocket knife with single blade and dark handle scales, stamped DRGM to the tang (Deutschers Reichsgebrauchsmuster), indicating a German registered design around 1945. Brass pins and simple curved form. DRGM markings were used in Germany from the late 19th to early 20th century on protected designs. The post-1945 era is when Carl Schlieper truly became a legend in the cutlery world, particularly through the expansion of the "Eye Brand" (or "German Eye") label. While the company scaled down its massive hardware operations after the war, it doubled down on high-quality, hammer-forged pocket knives that earned a cult following.