.577-450. 33.25" barrel length. SN: B6839. Blued metal finish has faded to deep brown patina overall set in walnut straight wrist stock secured by two barrel bands and mounting fixed rear notch and front blade sights. Single shot Martini action shotgun featuring bayonet lug to upper barrel band, and a short operating lever. Markings on the right frame have worn down with only the mark II marking remaining visible. Item shows weak British military proofs to major parts, but the stock is sanded and void of markings.