It is a rickey henderson autographed series baseball card in a case. I don't know how to tell how old it is. My husband has had it since he was little. So I know it is about 10-12 years old

You might want to take it to a comic book store or similar store that deals directly with baseball cards they usually have manauls to estimate how much it is worth. Or try looking for it in a search engine.

It is a rickey henderson autographed series baseball card in a case. I don't know how to tell how old it is. My husband has had it since he was little. So I know it is about 10-12 years old
Try ebaying it actually. It may be a good benchmark for you to price your goods.