German First World War-era Mercator DRGM pocket knife, an original military-style folding utility knife produced in Germany during the early 20th century. Mercator knives of this pattern are closely associated with German military and civilian use during the period surrounding the First World War.
The knife features the characteristic slim steel handle construction associated with the Mercator design, incorporating a main folding blade, a secondary blade, a corkscrew and a can opener housed within a metal body. Many examples bear the “DRGM” marking (Deutsches Reichsgebrauchsmuster), indicating registration under the Imperial or Third Reich German industrial design protection system.
Pocket knives of this style were valued for their compact form, durability, and practical utility. During the First World War, similar examples were carried by soldiers and civilians alike for everyday cutting tasks, equipment maintenance, and field use. Their straightforward all-metal construction made them particularly robust and suitable for military environments.
Mercator knives became one of the most recognisable German pocket knife patterns of the late 19th and early 20th centuries, remaining in production well beyond the wartime period due to their enduring practicality and distinctive appearance.
Manufactured in steel with a folding mechanism and integrated handle construction, this example represents a classic piece of German edged-tool design suitable for collectors of military utility knives and early 20th-century militaria.
Dimensions
Approx. 12.5cm closed length
Condition
Good overall antique condition, with age-related wear, surface marks, and areas of patina consistent with period use and storage. The blade and handle retain clear form and detailing. The folding mechanism remains functional. Unfortunately, the top of the can opener has broken off; however, the other half is still present.

























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