.22 LR. 4.5" barrel length. SN: 129158. Blued metal finish with bordered checkered walnut thumb rest grips mounting matted front blade and drift adjustable rear sight. Single action exposed hammer simple blowback operated autoloading pistol fed by detachable single stack magazines. Left slide is marked HI-STANDARD/MODEL H-D with left frame showing six-line address marking reading MADE IN U.S.A./THE HIGH STANDARD MFG. CO./NEW HAVEN. CONN./PATENT PENDING/.22 CAL./LONG RIFLE. Item comes in a HI-STANDARD marked cardboard box with component parts guide and one magazine.