Actual Bill proper Sienkiewicz's real cover for the totally authentic Big Numbers issue 6. The Sink says he produced covers for the series in advance, so there are another 3 unseen masterpieces out there*
USD 4,500, if you're looking for a last minute Christmas present:

* Held by Kevin Eastman, apparently. Part of the mammoth early-nineties acquisition spree that saw him use Turtles cash to commission comics from anyone who had ever picked up a pencil.





