m7/12

Hi All, I am no expert, and need some advice. HJ dagger that I have access to, got RZM code 7/12 but makers mark Wusthof with logo on the opposite side. 7/12 is not the Wusthof code .....also it has the motto engraved on the blade but 1940 stamped on the ricasso. In all aspects it's a...