Patriots Rob Gronkowski Signed Retro Full Size Speed Proline Helmet BAS Witness
Patriots Rob Gronkowski Signed Retro Full Size Speed Proline Helmet BAS Witness is backordered and will ship as soon as it is back in stock.
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After payment is received, items will generally ship from Pristine Marketplace or our approved vendors within 2 business days. Please allow an additional 5-7 business days for custom framed jerseys.
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Authenticity Guaranteed
Authenticity Guaranteed
All signatures sold on Pristine Marketplace are 100% guaranteed authentic, offering buyers complete confidence in every purchase.
Each autographed item undergoes rigorous verification through trusted authentication providers—including Beckett Authentication Services (BAS), James Spence Authentication (JSA), Fanatics Authentic, or Pristine Auction’s own in-house standard, Pristine Authentic.
This unwavering commitment to authenticity protects collectors and fans alike, making every signed piece not just a display item, but a trusted investment.
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Description
Description
Authenticated Collector-Grade autographed, signed memorabilia: Rob Gronkowski on a New England Patriots Alternate Retro Riddell Authentic Full Size Speed Proline Helmet, BAS Witness. A four-time Super Bowl champion (XLIX, LI, LIII with New England; LV with Tampa Bay), Gronk is a five-time Pro Bowler and four-time First-Team All-Pro, recognized as one of the most dominant tight ends of the 2010s. He was named to the NFL 2010s All-Decade Team and holds multiple postseason records for his position.
Collector's Highlights:
- Athlete: Rob Gronkowski
- Item: New England Patriots Alternate Retro Riddell Authentic Full Size Speed Proline Helmet — hand signed
- Authentication: Beckett Authentication Services (BAS) Witnessed — affixed BAS QR-code sticker (no paper COA)
Authenticated by BAS under their Witnessed program, this verified authentic Gronkowski signature carries long-term collector confidence and display appeal on a full-size authentic Riddell shell. Signature placement and ink strength can vary because each helmet was individually signed, but every piece includes the same Beckett-backed QR sticker for easy verification—making it a confident pick tied to a championship legacy.
