Enhanced
45 Smith and Wesson
smith and wesson.
No engineering changes.
Most likley an assembly number.
No engineering changes have been made.
1961
In this forum's context, Smith and Wesson, Target Sights.
Usually it means "Smith & Wesson"
I assume you mean Smith and Wesson. If it is a .22 caliber S&W revolver, yes.
Military and Police
Cartridge
manufacturing mark