I was going through my favourites and came upon an old bookmark.
http://www.whereswilly.com/
This site can track where your Canadian bills have gone so you can see where it originated from or whether your bill is virgin
All you have to do is just enter the serial number on the bill and the postal code, maybe a comment as to where you got it
My $20 was sourced to Burlington, Ontario. It was a tip to a waitress from Queen's Head pub back in June 2002
Any of you guys used this before?