SN is on the butt.
Colt or S&W
1943-45
42-45
a da 45 was made during ww2 to make up for the lack of 1911colt45s
The revolver was actually the S&W Mdl 1917, even though most were delivered in 1918. It was made to fire the .45 Automatic Colt Pistol cartridge (ACP) but markings were .S&W 45 DA (double action). Here is a link to a good article on the revolver: http://www.gunsandammo.com/historical/wwi-wheelgun-the-sw-model-1917/
No such serial number used by S&W
You will have to call S&W with the serial number to find out.
No serial number given. Call S&W
You did not provide the serial number. You will have to call S&W to find out.
You need to call S&W with the serial number to find out.
You will have to call S&W with the serial number to find out.
You need to call S&W. SN goes beyond published data.