Well, like 90% of the "error" listings on eBay, my error collection consists of a single "non-error": Maybe you should start a thread "Post 'Em Non-Errors".
This is one of many I have found roll searching! Pennies nickel dimes, and a quarter!This one is a 2011-P
This is a 1989-D w/ the reverse of a 1986-1988! I know the 1988's w/ reverse of 1989 are a great find, but what about this one