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both razor s look to be same japan ebay seller
http://badgerandblade.com/vb/showthread.php/472829-Fake-razor

I doubt the razor in question to be in that age group

and no I dont belive they did have'm way back then , Im just adding from what I found on another forum , the razor in question was identical...

came across an almost identical thread on another forum a while back identical razor , consensus was genuine Cadman just later manufacture with laser etching on the tang rather than stamped