November 14, 2019: Sports & Americana Auction
This lot is closed for bidding. Bidding ended on 11/14/2019
This Patriots mini-helmet is signed by future HOFer Rob Gronkowski in black Sharpie. Gronk added his jersey number "87" next to his signature, which is authenticated by JSA with a basic COA.
Rob Gronkowski Signed Patriots Mini-Helmet (JSA)
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