This Smith & Wesson manufactured first variation grip medallion retainer is for the model 15 double action revolver and is in very good condition with light wear. The first variation retainer is blue finished and was manufactured in the 1950's, 1960's and possibly the early 1970's. (file photo)

Note: Smith & Wesson Model 15 double action revolvers with the following serial numbers have been observed with this part: K297348, K489218, K496729, K569580, K616885 & K664399