Hello, I have what I believe is an original Nazi helmet. My father told me one of my great-uncles pulled it off of a dead nazi while he was lost from him platoon. Not sure what country he was in. I have posted pictures. Inside the back of the back is stamped 'r.p.' with 'halr' underneath it and in the center of the leather it is stamped with '58' Just wondering if it was worth selling, since me nor my father want it. Thank you for your replies.