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3,000 Hits Club Signed by Carl Yastrzemski, Stan Musial, Lou Brock, Al Kaline, Pete Rose, Eddie Murray, and Dave Winfield 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

Billy Wagner Autographed & Unsigned Hall Of Fame Gateway Stamp Cachet Commemorative Envelope Cover

Curt Schilling ADD Autograph on 2004 World Series on Game 2

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

Jamie Moyer Autographed Oldest MLB Winning Pitcher Gateway Stamp Envelope - Colorado Rockies

Jamie Moyer Autographed Oriole Park at Camden Yards Gateway Stamp Envelope - Baltimore Orioles

Jamie Moyer Autographed Wrigley Field Legendary Playing Fields Gateway Stamp Envelope - Chicago Cubs (1986-1988)

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

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

Mike Schmidt Autographed Hall Of Fame Gateway Stamp Envelope

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

Pedro Martinez ADD Autograph on 2004 World Series on Game 3