I recently found a 1950 j 50 pfennig german coin in a lot i bought at auction, which has a rotated die. the rotation appears to be about 30 to 40 degrees. I am looking for help, mostly to find out whether or not this is common for these coins. I have another 50 pfennig from the same year, different mint that has no die rotation. I am having trouble finding any similar coins anywhere, (with die rotation, that is) so any help would be appreciated.