MLB Auction: Autographed Baseball Memorabilia and Collectibles | Pristine Auction

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Pedro Guerrero Signed Dodgers Full-Size Batting Helmet Inscribed "81 WS MVP" (Schwartz) Pedro Guerrero Signed Dodgers Full-Size Batting Helmet In...

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Juan Gonzalez Signed Rangers Full-Size Batting Helmet Inscribed "2x AL MVP" (Schwartz) Juan Gonzalez Signed Rangers Full-Size Batting Helmet Ins...

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Wade Boggs Signed Red Sox Full-Size Batting Helmet Inscribed "HOF 05" (Schwartz) Wade Boggs Signed Red Sox Full-Size Batting Helmet Inscri...

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Rafael Furcal Signed Cardinals Full-Size Batting Helmet Inscribed "11 WS Champs" (Schwartz) Rafael Furcal Signed Cardinals Full-Size Batting Helmet I...

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Andrew McCutchen Signed Pirates Full-Size Replica Helmet (Beckett) Andrew McCutchen Signed Pirates Full-Size Replica Helmet ...

Beckett Witnessed

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Dwight "Doc" Gooden Signed Mets Full-Size Batting Helmet Inscribed "84 R.O.Y." (Beckett) Dwight "Doc" Gooden Signed Mets Full-Size Batting Helmet ...

Beckett Witnessed

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Dave Parker Signed Pirates Full-Size Batting Helmet (Schwartz Sports) Dave Parker Signed Pirates Full-Size Batting Helmet (Schw...

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Schwartz Sports Baseball All-Star Signed Batting Helmet Mystery Box - Series 1 (Limited to 100) Schwartz Sports Baseball All-Star Signed Batting Helmet M...

Pristine Exclusive Edition – (Ronald Acuna Jr, Roger Clemens, Vladimir Guerrero Jr. & More)

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Schwartz Sports Baseball All-Star Signed Batting Helmet Mystery Box - Series 1 (Limited to 100) Schwartz Sports Baseball All-Star Signed Batting Helmet M...

Pristine Exclusive Edition – (Ronald Acuna Jr, Roger Clemens, Vladimir Guerrero Jr. & More)

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Jose Canseco Signed Athletics Full-Size Batting Helmet Inscribed "86 AL ROY" & "88 AL MVP" (Beckett) Jose Canseco Signed Athletics Full-Size Batting Helmet In...

Beckett Witnessed

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Jose Canseco Signed Yankees Full-Size Replica Batting Helmet (Beckett) Jose Canseco Signed Yankees Full-Size Replica Batting Hel...

Beckett Witnessed

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Jose Canseco Signed Athletics Full-Size Batting Helmet with Multiple Inscriptions (PSA) Jose Canseco Signed Athletics Full-Size Batting Helmet wi...

PSA In-The-Presence

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Omar Vizquel Signed Indians Full-Size Batting Helmet Inscribed "11x GG" (Beckett) Omar Vizquel Signed Indians Full-Size Batting Helmet Insc...

Beckett Witnessed

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Nolan Ryan Signed Rangers Full-Size Cool Flo Helmet Batting Helmet Inscribed "108.5 M.P.H. Fastball" (PSA) Nolan Ryan Signed Rangers Full-Size Cool Flo Helmet Batti...

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Jack McDowell Signed White Sox Full-Size Batting Helmet (Beckett) Jack McDowell Signed White Sox Full-Size Batting Helmet (...

Beckett Witnessed

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