I recently picked up this BDM pin at a Garage Sale along with some other German pins and badges. Some of them I know are fakes. Any thoughts about this item? 
I collect documents, so this is a way out of my league. The back of the pin is marked with RZM M1/15 and number 558. Any help is appreciated.
I collect documents, so this is a way out of my league. The back of the pin is marked with RZM M1/15 and number 558. Any help is appreciated.
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