SN: 552. The 1st Pattern "all purpose" Model 1880 knives were iron mounted with 8-1/2" x 2" blade which could be used for fighting, camp use and entrenching. 1,000 of these knives were made and most issued to troops on the frontier. Survival of these early knives is somewhat scarce, especially in high condition. The matching SN found on the brass mounted knife is in matching condition and configuration. Iron mounted knife in its orig Varney Patent scabbard made at Watervliet Arsenal and the latter brass example is in its correct circa 1890 Rock Island Arsenal scabbard. SIZE: PROVENANCE: The collection of Robert Roughton. CONDITION: Overall fine, both knives have blades retaining most of their luster with scattered areas of staining and light pitting, solid grips and scabbards with crazing and cracking at folded areas. 52332-207 JS (1,500-2,000)