Cal. 7.65mm Argentine. S# 5997. Rifle marked on left rail "MAUSER MODELO ARGENTINO 1891 DEUTSCHE WAFFEN MUNITIONSFABRIKEN BERLIN". Has Argentine acceptance marks on left side of receiver ring. Receiver ring marked on top w/ faint Peruvian crest. Bbl. is marked on left side of chamber w/ "S.J.G"; internet research indicates possible Swiss replacement bbl. by SIG. Numbers match on receiver, stock & bolt. Straight bolt handle. Langer rear sight graduated to 2,000m; sight was added after 1912 due ammunition change. Inverted V front sight. Replacement cleaning rod. Mismatched walnut stock set w/ bottom swivels. CONDITION: stock set has arsenal rework type finish w/ moderate wear, dents, scratches & staining throughout. Handguard has notable dark stains. Metal retains traces of blue turning gray patina w/ added clear coating over cleaned appearance & polished appearance in soft areas. Cleaning rod has brazed appearance repair at tip. Good shiny bore. (18-1082/RW). CURIO. $350-450.