Originally Posted by Wiregrassguy

.38 M&P Pre-Model 10 serial C151961 was shipped in February 1952. Pre-Model 10 serial C271552 was shipped in December 1953. I think there is a good chance yours shipped in late 1952 or early 1953.


The hole in the frame IIRC was for the blueing tank jig. The frames were hung on that before dunking. Or rather, put in the gas for Carbonia bluing at the time.