Harrington's Auctions
Live Auction

Legends of Sport: Sports Memorabilia & Collectibles

Fri, Nov 27, 2026 12:00PM EST
  2026-11-27 12:00:00 2026-11-27 12:00:00 America/New_York Harrington's Auctions Harrington's Auctions : Legends of Sport: Sports Memorabilia & Collectibles https://bid.harringtonsauctions.com/auctions/harringtons-auctions/legends-of-sport-sports-memorabilia-collectibles-25701
Harrington’s presents Legends of Sport: Harrington’s Premier Sports Memorabilia & Collectibles Auction on Friday, November 27, 2026 at 12:00 PM EST (Online Only). Featuring an exceptional lineup of rare vintage/modern sports cards, game-used equipment, and iconic autographs. Highlights include Wilt Chamberlain’s San Diego Conquistadors uniform collection, an original 1927–1933 Toronto Maple Leafs Shareholders Ledger, complete 1910 C56 and 1911 C55 hockey card sets, and a Gretzky game-used stick. Celebrating legends including Michael Jordan, Bobby Orr, Tom Brady, Ty Cobb, Mickey Mantle & more
Harrington's Auctions nicole.c@harringtonsauctions.com
Lot 32

Rob Gronkowski Signed New England Patriots Full-Size Pro Helmet with "Gronk!" Inscription - Fanatics Authentication

Estimate: CAD$500 - CAD$800
Starting Bid
CAD$150
$107.14

Bid Increments

Price Bid Increment
CAD$0 CAD$10
CAD$200 CAD$20
CAD$500 CAD$50
CAD$1,000 CAD$100
CAD$2,000 CAD$200
CAD$3,000 CAD$300
CAD$6,000 CAD$500
CAD$11,000 CAD$1,000
CAD$21,000 CAD$2,000
CAD$31,000 CAD$3,000
CAD$61,000 CAD$4,000
CAD$81,000 CAD$5,000

Rob Gronkowski Signed New England Patriots Full-Size Pro Helmet with "Gronk!" Inscription - Fanatics Authentication

A New England Patriots full-size pro-style football helmet autographed by four-time Super Bowl champion and five-time Pro Bowl tight end Rob Gronkowski.

The helmet features the Patriots' iconic silver shell, Flying Elvis team logos, red facemask, and white chinstrap. Gronkowski has signed the side of the helmet in bold black marker, adding his distinctive "Gronk!" inscription alongside his signature and jersey number 87.

Widely regarded as one of the greatest tight ends in NFL history, Gronkowski was a key member of the Patriots dynasty alongside Tom Brady, winning three Super Bowl championships with New England before capturing a fourth with Tampa Bay.

Authentication
Authenticated by Fanatics Authentic, with an individually numbered hologram affixed to the helmet. The Fanatics online verification database confirms Rob Gronkowski's signature and the "Gronk" inscription.

Condition
The helmet presents well overall, with a bold signature and inscription. Minor surface marks and handling wear may be present. Please refer to photographs.

Details
Player: Rob Gronkowski
Team: New England Patriots
Helmet: Full-Size Pro-Style Helmet
Design: Silver Flying Elvis with Red Facemask
Inscription: "Gronk!" and #87
Authentication: Fanatics Authentic
Hologram Number: ZZ0021610
Quantity: 1 Helmet

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