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Mark Clayton & Mark Duper Autographed Miami Dolphins White Riddell Speed Replica Full Size Helmet w/ Tristar COA

Starting at $38.33 USD with UA Financing.

  • Brand New Mark Clayton & Mark Duper Autographed Miami Dolphins White Riddell Speed Replica Full Size Helmet.
  • This signature was certified by Tristar Authentication Services.
  • It includes a tamper proof sticker with matching serial numbers to card. Certification can be verified and viewed through the third party's online database. 
  • This item was personally hand signed by Mark Clayton & Mark Duper in black sharpie.
  • At Ultimate Autographs we pride ourselves in selling authentic memorabilia and have a lifetime authenticity guarantee on All Items Sold. 

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