20 Gauge. 26" barrel length. SN: 08S2176. 3" chamber length. Cylinder Chokes. Item accepts interchangeable chokes. Blued metal finish with matte finish to the upper and lower frame with full length vented barrel rib and front brass bead sights. Double barrel superposed boxlock extractor shotgun with walnut round knob semi-pistol grip stock, and pressed checkering to the wrist and forend. Standard make and model markings with lower frame engraved Canvasback.