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Jim Kaat Hall Of Fame HOF Autographed Gateway Stamp Commemorative Cachet Envelope

Jim Kaat Hall Of Fame HOF UN-Signed Gateway Stamp Commemorative Cachet Envelope

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Terry Francona Autographs - Single Gateway Stamp Cachet Envelopes

Pedro Martinez UN-Signed 3,000 Strikeouts Gateway Stamp Cachet Envelope

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Pedro Martinez UN-Signed Hall Of Fame Gateway Stamp Cachet Envelope

Manny Ramirez & Pedro Martinez ADD Autographs on 2004 World Series on Game 3

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Roy Halladay & Don Larsen Autographed Playoff No Hitter Gateway Stamp Commemorative Cachet Envelope

Pedro Martinez ADD Autograph on 2004 World Series on Game 3

Curt Schilling ADD Autograph on 2004 World Series on Game 2

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Curt Schilling & Jason Varitek ADD Autographs on 2004 World Series on Game 2

Dave Stewart No Hitter Autographed Gateway Stamp Envelope - Oakland A's at the Toronto Blue Jays

Jim Kaat Autographed 25 Years Gateway Stamp Envelope - St. Louis Cardinals

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Joe Carter & Mitch Williams JSA Autographs 1993 World Series Game 6 Gateway Stamp Commemorative Cachet Envelope

Mike Schmidt Autographed 400 Home Runs Gateway Stamp Envelope

Mike Schmidt Autographed 500 Home Runs Gateway Stamp Envelope

3,000 Hits Club Signed by Hank Aaron, Willie Mays, Carl Yastrzemski, Stan Musial, Lou Brock, Al Kaline, Pete Rose, Robin Yount, Eddie Murray, and Dave Winfield Gateway Stamp Envelope

3,000 Hits Club Signed by Willie Mays, Carl Yastrzemski, Stan Musial, Lou Brock, Al Kaline, Pete Rose, Robin Yount, Eddie Murray, and Dave Winfield Gateway Stamp Envelope