Mijionju has one, it's the backing paper for a roll of 120 film tattooed right the way up his arm.
He posted a video of getting it on his channel
https://www.youtube.com/watch?v=fNr_xVWLx9UBellamy did a post about it which is pretty good, with links to more tattoos along the same lines
http://www.japancamerahunter.com/2012/09/cool-photography-tattoos/