It's
a Black Sabbath t-shirt. You see how clever I am?

I stumbled across this fantastic list of death metal bands earlier, whilst looking for pictures:

www.deathmetal.com/doband.html
(hiccup thecoolestthingever, Sat 16 Aug 2003, 14:54, archived)

I thought it was something like that :)
but wasn't 100% sure of it.
now I can woo it !
( oCo, Sat 16 Aug 2003, 14:56, archived)