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AEDRoy Halladay Signed Official Major League Baseball
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About Auction
LiveJul 20, 2026
Harrington’s is proud to present a Premier Baseball Memorabilia Auction on Monday, July 20, 2026 at 11:00 AM EST (Online Only), featuring an exceptional lineup of investment-grade collectibles tied to baseball’s most iconic figures. Highlights include game-used and signed bats, autographed baseballs, rare vintage baseball cards, and limited-edition signed photos and memorabilia from legends including Mickey Mantle, Babe Ruth, Joe DiMaggio, Willie Mays, Jackie Robinson, Hank Aaron, Sandy Koufax, Ken Griffey Jr, and many more. Harrington's Auctions nicole.c@harringtonsauctions.com
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- Lot Description
Roy Halladay Signed Official Major League Baseball Inscribed “CY03” - JSA Authenticated
Official Major League Baseball signed by Hall of Fame pitcher Roy Halladay, one of the most accomplished and respected pitchers of the modern era. A two-time Cy Young Award winner and eight-time All-Star, Halladay remains deeply connected to the Toronto Blue Jays franchise and is widely regarded as one of the defining aces of his generation.
The baseball is signed in blue ink on the sweet spot and includes Halladay’s desirable “CY03” inscription, commemorating his 2003 American League Cy Young Award season with Toronto. The signature presents cleanly with strong overall eye appeal and is housed in a protective display cube.
Nicknamed “Doc,” Halladay earned a reputation for exceptional durability, command, and competitiveness throughout his Hall of Fame career. His dominance with both the Blue Jays and Philadelphia Phillies cemented his legacy as one of baseball’s premier pitchers of the 2000s era.
Authentication & Provenance
This item was reviewed in-person and authenticated by James Spence Authentication (JSA) at the April 2026 Toronto Sports Card Expo. A full Letter of Authenticity (LOA) has been issued and is currently in production by JSA and will be forwarded to the winning bidder upon receipt. The baseball also bears the corresponding JSA authentication sticker.
Condition
The baseball presents in strong overall condition with light natural toning and minimal handling/storage wear. The signature remains bold, clean, and well-positioned on the sweet spot overall. Display cube exhibits expected minor wear from storage and handling. Please refer to photographs for complete condition details.
Details
Player: Roy Halladay
Item Type: Single-Signed Baseball
Baseball Type: Official Major League Baseball
Inscription: “CY03”
Authentication: JSA Stickered – Full LOA Pending
Display Case: Included - Shipping Info
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