Winchester 21 Double Shotgun 20 Gauge (W12510)...
SN:10296. 1930's production, 20 gauge with 26" Mod/Imp Cyl barrels. Pre-war side by side field gun. Has a single selective trigger, auto ejectors, straight stock and beavertail forend. LOP is 14.75' over a recoil pad. Excellent condition.