You'd probably get more feedback on the Wehrmacht cross forum as these are part of the Iron cross family but in my beginner's opinion yours is a good bandespange (ribbon bar) EK II spange 2nd pattern mini that looks to have been made (again IMO) by the firm Wilhelm Deumer of Ludenscheid. I am missing this variant (looks like a 15mm wide or more piece based on the amount of detail in your picture?) but I have the 10mm version (top left) and a 12mm version (top right) of what looks like the same design. Deumer also made both full size clasps and the 25mm prinzen shown below.
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