Bates (Copenhagen) and Poet (Berlin).
The Exchange 2010…
BATES OUTLINE BT POET, PIECE DONE BY BATES.
POET OUTLINE BY BATES, PIECE DONE BY POET.
And some Poet outlines by Bates:
More info here:
http://thegraffitiexchange.blogspot.com/2010/10/bates-by-poet.html