Mosin Crate had a batch for sale so I decided to get one @ $569. Got a Pre-Victory, numbers matching, in nice shape. Serial 882053. Very happy with it!
Victory Model (and pre-Victory) revolvers fall into four main areas: 1.) purchases by the BPC before Lend-Lease was passed (top strap not marked); 2.) U.S. military purchases, primarily for Navy and Marine Corps aviators (marked U.S. NAVY or U.S. PROPERTY on top strap), 3.) Lend-Lease to allies (marked UNITED STATES PROPERTY on top strap) and 4.) Defense Supplies Corp. (DSC) purchases for domestic use at defense plants and law enforcement organizations (no top strap markings). There are lots of variations and subtleties so pardon me for painting with a broad brush. Your gun (V4709XX) is most likely a DSC gun even though the caliber is "wrong." The only way to know for sure is to get a letter from the S&W Historical Foundation.The BPC angle interests me as well. I have an all matching parked V4709### in .38 S&W that is not US PROPERTY marked and has no British service proofs, but has a P proof. Based on S&W records it shipped in Dec of 43, so well into the war. My understanding is that they went to the Army, but then were diverted and stayed States side for industrial target protection.