WW2 Era U.S.A. Engineer's Pocket Knife

This is a vintage pocket knife, likely dating from the World War II era, consistent with an engineer's service tool. The knife measures approximately 3.25 inches in length when closed, based on the visible ruler markings. It features jigged bone or synthetic celluloid scales (handles) with a rich, mottled brown and tan coloring, mimicking a stag or bone appearance. The scales are secured to the frame with at least four visible metal pins. The bolsters, visible at both ends of the knife, are made of a silver-toned metal, possibly nickel silver or steel, and show significant wear, pitting, and tarnishing, indicative of age and extensive use. A prominent shield-shaped escutcheon plate with 'U.S.A.' stamped or engraved into it is affixed to one side of the handle, centrally located. This marking strongly suggests a military issue or patriotic themed item from the United States. A woven, dark-colored lanyard or cord is attached to a bail or ring at the bolster end, suggesting it was designed for secure carrying. The knife appears to be a multi-bladed type, with at least one implement visible in the closed position alongside the main body. The condition suggests considerable age and use, with surface wear, scratches, and a dulling of the metal components, but no apparent major structural damage or repairs. The craftsmanship appears robust and functional, typical of military-issue equipment designed for durability rather than decorative appeal. The unique 'U.S.A.' inlay is a primary distinguishing feature.