I like Dr.Herb's BKIW theory, as they did build up quite a few blank toggle (original manufactures logo, milled off) militaries in 1929. Plus in my "toggle parts draw" I have a left over WW1 era center toggle link, that has been milled off and neatly stamped GERMANY (read from left side of gun) and serial #10 (in normal location). If the "K"s previously referenced are under a crown, they might indicate the Norweigen Koenigsberg arsenal. If not, perhaps a year code for 1934. TH
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