Colt Diamondback, .22 long rifle cal. double action revolver.   Serial #AA01797, mfg. 1985.  Excellent condition.  Super Snake Gun in the rarer .22 cal. 6” barrel has excellent bore, ramp front sight and adjustable rear.  Barrel and frame have near 100% blue.  Cylinder is 98% with light index marks.  Polished hammer is excellent.  Pachmayr checkered rubber grips are like new.  In original box with instructions.  Rare in .22LR cal. with 6” barrel! Collectible Snake Gun!