November 18, 2021: Fall Auction
This lot is closed for bidding. Bidding ended on 11/18/2021
This 2009 Upper Deck Spectrum single features Mariano Rivera and is signed in blue felt tip pen. It's card No. 69 in the set, with Rivera adding "Enter Sandman" under his signature, which is slabbed and authenticated by BAS, with the signature graded a perfect "10."
Mariano Rivera Signed 2009 UD Spectrum No. 69 (Graded BAS 10)
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