Well no, it's that common but not terribly valuable. Supply and demand type situation for E.F.O.'s there might be a very small supply but an even smaller demand so just find a nice spot for it in your binder and hold onto it.
A word of caution to you- (I know you'll probably disregard this but here goes): I would kindly suggest to you that don't try to sell this for thousands of dollars, as it will only make you look foolish in the end. Remember now, your only as good as your feedback on
ebay so, if you take someone for a ride it will fastly get around. Remember- Bad news travels much faster than good news.