Up for sale is a signed 2007 leaf certified materials fabric of the game worn prime jersey card by Chicago Bears legend Mike Singletary. He also inscribed HOF 98 on the card. It is numbered 1/1 and is the only one in existence. It is authenticated and encapsulated a graded 10 auto by beckett authentication services. Please see all pictures provided, I can send more pictures upon request. No returns. If you purchase with no feedback or to an unconfirmed address it will not be shipped and you will be refunded. If you have any questions feel free to message me. Trusted seller, see feedback. Be sure to check out my other listings being posted soon.