I did scan these, they were on my usb stick, I just forgot. Not proportionally great but again these are for my personal project, and were done between renders at work, one in ballpoint and the other in pencil. they were also done on A3 sized paper so are pretty big too.
If you guys like Prince of Persia get over to the forums at www.conceptart.org
its run by Massive Blacks' Jason Manley, its a great forum and full of fantastic inspirational works
Will post again in the week