I promised to post some pics of my collection..
506 XX (Type One) Jacket.
Note the hand-hammered backside of the rivets! B-e-a-u-t-i-f-u-l.
I traded this jacket many years ago with this fantastic guy named Seth. Seth's the owner of one of NYC's most reputable vintage dealers / stores "what comes around goes around" on west broadway.
Next time in the big apple, check it out. Or die.