Boss, London. Extremely rare 12ga., 3” Magnum, Sidelock O/U shotgun, ca.1959. Wt. 8 ? lbs. 15”x 1 3/8”x 2”x ?” cast-on. Superb 30” steel barrels with original 3” chambers and full-length ventilated top rib have mint bores (.729”/.729”), choked .037”/.037”. Beautifully engraved action and locks retain 100% original color hardening. Single trigger and ejectors. Semi-pistolgrip stock with checkered butt and engraved, case-hardened, steel heel and toe clips. This is one of only two or three 3” Magnum O/U’s that Boss has made and it remains in near mint condition throughout. This magnificent gun comes in the proper period motor case with original canvas outer and complete accompanying Boss factory documentation. A great rarity for a collector and would be the ultimate live pigeon gun! Offered well below replacement cost.