I've had many 4 inch Model 10's over the years.

by Andrew , Bloomington, IN, Thursday, July 14, 2016, 19:22 (2992 days ago)

A round butt was never one of them. This one is from circa 1965, and the grips are serial matched.

As an aside, a guy that sets up at most of the local shows had a Model 19 RB six inch at the last show. Very funky looking.