Variously late 19th and early 20th century, to include: La Movediza marked gaucho knife in an .800 fine silver sheath having gold alloy mounts and an enameled Argentine coat-of-arms (8-1/4 in., small discolored area on sheath, else very fine condition); the second knife unmarked, with silver alloy grip, 7-1/2 in. blade, leather sheath with German silver mounts (some discoloration to blade; overall wear; very good condition); German-made gaucho knife marked F. HERDER / ABR. SOHN / SOLINGEN, 6 in. blade, with horn handle, the leather sheath with German silver mounts (some stiffness to leather, overall very good condition).