Serial number 355127. Made in 1934. 32-20 caliber with a 4 ¾” barrel. This gun is in excellent condition with 98% + of the original blue. This gun has extra engraving on the cylinder behind and in between the cylinder stops as well along the back strap. This gun has S. W. King improvements and was probably customized by King.  D. W.  King Gun Sight Company made a variety of gun parts to accurize a hand gun. This gun has a King, front and rear sight, hammer and trigger. Accompanying this gun is a factory letter. Most of the records on this gun were lost, but the Colt factory was able to confirm it is factory engraved. Absolutely Beautiful Pre-war factory engraved Colt Single Action Army!