[Footballdude]

Jeff - That's called enabling, so the OCD in me may accept your challenge.

Yes, it may be that there are equal amounts of both. Most of my set are white backs, but that may be because I purchased them from a singe, original owner, source.

I'm just wondering how hard it will be to target, say, white backs, especially on places like ebay, when sellers don't often scan the backs of the cards.