the mark of an unknown German sword maker
There is a small sheet of paper included that has had the stamp used on it
most often found in the four barrel configuration
Bunelt - Pittsford New York
This is full combat trim with a maker label to the inside showing the maker and size information:
Original U.S. WWII 8th Air Force Bombardier Captain’s Ike Uniform with British-Made SSI, Ribbon Bar, & Bombardier Wings Martini-Henry Accessories the mark of an unknownOriginal Item. Only One Available. This is an outstanding 8th Air Force Captains uniform jacket, in Army Regulation with a contract date of December 18th, 1942, and a size of 36 Short. The Ike jacket is unnamed, but bears outstanding British made insignia, including the bullion 8th Air Force patch, the bullion Bombardiers wings, and the ribbon bar. The jacket bears Captains bars on the shoulders, a bullion British made 8th AF patch on the left