Smith & Wesson Model 17-3 "K-22 Masterpiece", .22 long rifle cal. double action revolver.  Serial #8K73817, mfg. 1975.  Excellent condition.  6” pinned barrel has excellent bore and near 100% blue with crisp markings.  Ramp front sight and micrometer adjustable rear sights.  Frame and trigger guard have near100% blue.  Nice, nice, nice! Cylinder is 97% with slight index marks.  Beautifully case colored wide target trigger and hammer.  Checkered walnut Magna style grips are very good with a couple of light dings at bottom and rub marks on left side.  Double action is smooth and locks up tightly. A beautiful example.   Highly accurate and they don't call 'em "Masterpiece" for nothin'!