Here is an interesting drop by the U.K. mastermind artists The Dotmasters. This is a doctored 10 quid bill to make it look like Marilyn Monroe. This is all stencil work, there is an edition size of 36 on the finest cotton rag paper that the Bank Of England could afford all for only £20 each. Each one comes with a custom sprayed 3 colour card (below) by the artist(s).
Check it out HERE