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  1. MLB Memorabilia
  2. New York Mets
  3. New York Mets Baseballs
  4. Signed
1 - 72 of 426
Baseballs
426 Items
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$309.99
Pete Alonso New York Mets Autographed Baseball and Sublimated Baseball Display Case with Image
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$379.99
Francisco Lindor New York Mets Autographed Baseball
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$307.99
Juan Soto Autographed Official MLB Baseball New York Mets Beckett BAS QR Stock #243300
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$479.99
Francisco Lindor New York Mets Autographed Baseball with "Mr. Smile" Inscription
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$349.99
Pete Alonso New York Mets Autographed Baseball with "3/28/19 Debut" Inscription
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$364.99
Pete Alonzo Signed New York Mets OMLB Baseball W/ Polar Bear MLB Authenticated
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$725.99
1986 World Series Champion New York Mets Signed Auto Baseball JSA LOA ZZ10213
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$349.99
Pete Alonso New York Mets Autographed Baseball with "Polar Bear" Inscription
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$980.99
1969 Mets WS Team Signed NL Baseball Tom Seaver Tug McGraw Agee 19 Auto COA HOF
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$1,529.99
Mets Tom Seaver, Nolan Ryan & Jerry Koosman Signed Sellig Baseball BAS #AE13781
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$416.99
Juan Soto Signed Official Rawlings MLB Baseball NY Mets Mint Auto JSA COA
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$348.99
Mike Piazza New York Mets Signed Official MLB Baseball HOF 2016 MLB Hologram
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$538.99
New York Mets Old-Timers MULTI SIGNED Official NL Baseball 31 sigs Willie Mays
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$352.99
RARE Todd Frazier Signed 2015 Home Run Derby Baseball JSA COA HR Champion Reds
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$390.99
Brandon Nimmo Signed Official Baseball JSA COA 2011 1st Rd ROMLB New York Mets
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$1,499.99
Juan Soto New York Mets Autographed Swarovski Crystal Baseball - Art by Rock On Sports
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$1,399.99
Pete Alonso New York Mets Autographed Swarovski Crystal Baseball with "Polar Bear" Inscription - Art by Rock On Sports
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$1,423.99
1969 New York Mets WS Champs Team Signed Baseball Tom Seaver Nolan Ryan CAS COA
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$479.99
Donn Clendenon Mets/pirates Mint Signed Autographed N.l. Baseball Beckett Auth
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$377.99
Billy Wagner Signed Official Hall Of Fame Baseball HOF 2025 NY Mets JSA Auth #2
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$499.99
Juan Soto New York Mets Autographed Baseball
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$479.99
Francisco Lindor New York Mets Autographed City Connect Baseball with "OMG LGM!" Inscription
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$399.99
Pete Alonso New York Mets Autographed Baseball Shadow Box
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$318.99
Tom Seaver Signed OML Baseball HOF 92 Inscribed Steiner Sports COA MLB
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$479.99
Francisco Lindor New York Mets Autographed Baseball with "LGM!" Inscription
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$1,090.99
1988 New York Mets Autographed Official National League Baseball - JSA LOA
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$374.99
David Wright + Jeremy Burnitz Dual Signed Ny Mets Game Used Baseball & Jsa Coa
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$349.99
Mike Piazza New York Mets Autographed Baseball Shadow Box
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$1,199.99
Mike Piazza & Pete Alonso New York Mets Multi-Signed Framed Two Baseball Shadowbox Collage
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$309.99
Pete Alonso New York Mets Autographed Baseball and 2022 MLB All-Star Game Gold Glove Display Case with Image
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$309.99
Mike Piazza New York Mets Autographed Baseball with ''HOF 16'' Inscription and Hall of Fame Sublimated Display Case
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$699.99
Juan Soto New York Yankees Autographed Baseball with "Childish Bambino" Inscription
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$319.99
Francisco Alvarez New York Mets Autographed Baseball with "LGM!" Inscription
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$337.99
Tom Seaver Beckett BAS COA Autograph ONL National League Signed Baseball
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$726.99
1991 New York Mets Autographed Official National League Baseball - JSA LOA
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$726.99
1990 New York Mets Autographed Official National League Baseball - JSA LOA
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$363.99
Nolan Ryan 1969 Wsc Mets Angels Rangers Hof Signed Auto Vintage Oal Baseball Jsa
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$307.99
Tom Seaver Autographed Official NL Baseball New York Mets, Cincinnati Reds Beckett BAS QR #BR51277
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$646.99
Nolan Ryan 69 Miracle Mets Signed Baseball Tristar Ryan Foundation Holo
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$363.99
Octavio Dotel # 29 New York Mets Rookie Signed Auto Vintage Onl Baseball Jsa
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$579.99
1987 NEW YORK METS signed Official NL baseball-29 SIGNATURES-JSA LETTER
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$350.99
Tom Seaver JSA COA Autograph American League Signed Baseball HOF 92
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$1,272.99
Al Leiter Charles Johnson Marlins Game Used No-hitter Signed Auto Baseball Psa
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$463.99
Rusty Staub Expos Astros Mets Single Signed Official Baseball Jsa
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$326.99
Tom Seaver New York Mets signed Official National League Baseball Ball Beckett
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$5,336.99
Tom Seaver Autographed Baseball - Rare Heavily Inscribed Career STAT RJ COA
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$1,423.99
1969 New York Mets WS Champs Team Signed Baseball Tom Seaver Nolan Ryan JSA COA
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$635.99
Dorrel Whitey Herzog Stl. Cardinals Hof Signed Auto Graded 9 Baseball Psa/dna
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$532.99
Willie Mays Yogi Berra 1972 New York Mets Team Signed Game Used Baseball
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$1,158.99
Tom Seaver Signed Baseball - 300 Win Club WDW W Spahn Ryan Niekro +5 Sigs JSA
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$1,779.99
1986 New York Mets World Series Champs Team Signed W.S. Baseball JSA COA
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$538.99
Tom Seaver Signed/Autographed ONL Baseball New York Mets Beckett 188765
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$726.99
Richie Ashburn signed Vintage ""National League William White baseball "JSA COA
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$443.99
1985 - 1986 New York Mets Team Signed Baseball 28 Sigs With Gary Carter
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$726.99
Autographed Mike Piazza Ball - Official Major League Ny Hof Psa
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$452.99
Mike Piazza Signed MLB HOF Logo Baseball HOF 2016 Autograph Mets Fanatics COA
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$363.99
Darryl Strawberry 1983 Rookie New York Mets Signed Auto Feeney Onl Baseball Jsa
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$432.99
Jacob deGrom Signed Baseball Rob D Manfred Mets Auto AS CY MVP MLB Holo Fanatics
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$552.99
Jacob DeGrom Mets Signed Official MLB Baseball Mint Autograph Fanatics Coa Cy
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$2,291.99
Tom Seaver HOF Cy Young ROY Signed Stat Baseball JSA Hologram Only
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$377.99
GARY CARTER NY Mets SIGNED Rawlings OML Baseball TriStar COA
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$2,863.99
2025 Tristar Hidden Treasures New York Pinstripes Autographed Baseballs Case
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$321.99
BILLY MURPHY (Astros) Signed Official 2022 WORLD SERIES Baseball Beckett (BAS)
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$555.99
Tom Seaver #41 Signed Baseball JSA LOA
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$1,836.99
Gary Carter Signed 1984 All Star Game Logo Baseball MLB Holo (MVP)
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$1,308.99
Tom Seaver Signed Baseball - Official Major League Hof Terrific Psa
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$1,157.99
1986 New York Mets Team Autographed Official NL Baseball With 29 Signatures Including Gary Carter PSA/DNA #W03524
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$1,192.99
Pete Alonso 19 NL ROY Signed Stat Baseball MLB Holo Fanatics LE 48/53
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$311.99
Rusty Staub JSA COA Autograph National League Signed Baseball Le Grande Orange
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$621.99
Bill Buckner & Mookie Wilson Signed 1986 World Series Baseball Steiner & MLB
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$2,128.99
Beautiful Rookie Of The Year Multi Signed Baseball 23 Sigs Tom Seaver JSA COA
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$862.99
Kodai Senga Mets Signed In Kanji 2023 All Star Baseball 1st ASG 7-11-23 Auto Bas