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J.D. Martinez Un-Signed 4 Home Run Game Gateway Stamp Envelope - Arizona Diamondbacks

Todd Helton Un-Signed 2,500 Hits Gateway Stamp Envelope - Colorado Rockies

Neftali Feliz Un-Signed Rookie Saves Record Gateway Stamp Envelope - Texas Rangers

2013 World Series Gateway Stamp Envelope Set of 6 w/ Autograph options

500 Home Run Club - Hank Aaron, Ted Williams, Frank Robinson, Willie McCovey, & Eddie Mathews Autographed Gateway Stamp Envelope - SALE

David Ortiz 500 Home Runs Autographed Gateway Stamp Envelope - Boston Red Sox

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2007 World Series Gateway Stamp Envelope Set of 4 w/ Mike Lowell & Other Autograph options

Dick Williams Autographed Hall Of Fame Gateway Stamp Commemorative Cachet Envelope

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Rickey Henderson Autographed Hall Of Fame Gateway Stamp Cachet Envelope

Lou Boudreau Autographed Hall Of Fame 50th Anniversary Gateway Stamp Envelope

Andre Dawson 400 Home Runs Autographed Gateway Stamp Envelope

Dennis Eckersley Autographed Hall Of Fame Gateway Stamp Cachet Envelope - Oakland A's

Mark Bellhorn Autographed Gateway Stamp Cachet Envelope - Chicago Cubs

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Dick Williams Autographed Oakland Alameda Stadium Gateway Stamp Commemorative Cachet Envelope

1975 World Series Autographed By Carl Yastrzemski, Carlton Fisk, Jim Rice, Fred Lynn & 10 Other Boston Red Sox Players Gateway Stamp Envelope

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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