AABEN,

Your revolver, SN V520739, was probably manufactured in very late 1943 or early 1944. Ordinarily, I would venture to estimate that it shipped from the S&W factory in about Feb., 1944, but it may have sat on a shelf for one month or eight and shipped much later.

The stamping below the "MADE IN U.S.A." at the right side of the frame is probably an importer's mark, possibly "IACSACCO" for Import Arms Co. of Sacramento, Calif.

I presume your gun is a 5" barreled example chambered for the Brit's preferred .38 S&W (as marked on the right side of the barrel). What other markings are on the gun at the top strap, butt, barrel, etc.?

Steve

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CHL/NRA Instructor/RSO/Referee