Up to 25% Off Savings
Up to 25% Off Savings. Each offer has a limited duration that expires at the specified time. Some promotions may require that you enter a code. By making a purchase featuring a discount or promotion, including where a code may be required, you are agreeing to these terms and exclusions. Generally, eligibility will be as reflected in the price shown on the product page. However, discounts and promotions for certain products may only appear once an item is added to the cart and the code is entered. Prices and fees, including any applicable discount(s), will be as reflected in the cart. Only the as-discounted retail price (excluding applicable shipping, taxes, and handling fees) counts toward any minimum spend required for eligibility. If a rewards program applies, the rewards may only apply to the as-discounted retail price. Discounts and promotions do not apply to gift cards. Gift card purchases do not count toward any minimum spend required for eligibility. Exclusions may apply, including: all auctions and product drops; product that is already on sale, of limited quantity, for recent championship or other special events; trading cards and certain memorabilia; select jerseys, on-field headwear, die cast and certain collectibles; and certain premium brand product. Additional terms and other exclusions may apply in our sole discretion. Items listed as FINAL SALE on the product page are final sale and cannot be returned. Free shipping promotions are valid in Continental U.S., US Territories, and AFO/FPO only, such promotions exclude heavy, large, and/or bulky items, and free shipping does not apply to the extent your cart at checkout contains any excluded item(s). Shipping method and timing may vary. Expected delivery times are based on in-stock items and the specified zip code, if applicable. Delivery estimates are not guaranteed.
  1. baseball Memorabilia
  2. New York Mets
  3. New York Mets Baseballs
  4. Signed
1 - 68 of 68
Baseballs
68 Items
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$284.99
$379.99
Sale
Francisco Lindor New York Mets Autographed Baseball
$276.99
$307.99
Sale
Juan Soto Autographed Official MLB Baseball New York Mets Beckett BAS QR Stock #243300
Almost Gone!
$262.99
$349.99
Sale
Pete Alonso New York Mets Autographed Baseball with "3/28/19 Debut" Inscription
$262.99
$349.99
Sale
Pete Alonso New York Mets Autographed Baseball with "Polar Bear" Inscription
Almost Gone!
$265.99
$295.99
Sale
Sean Manaea Signed Official Baseball JSA COA No Hitter 4-21-18 Oakland A's Mets
Almost Gone!
$257.99
$286.99
Sale
Shintaro Fujinami Signed Official Major League Baseball Japanese Star JSA Auth
Almost Gone!
$257.99
$286.99
Sale
Billy Wagner Signed Official Hall Of Fame Baseball HOF 2025 NY Mets JSA Auth #4
Almost Gone!
$257.99
$286.99
Sale
Billy Wagner Signed Official Hall Of Fame Baseball HOF 2025 NY Mets JSA Auth #3
Almost Gone!
$257.99
$286.99
Sale
Billy Wagner Signed Official Hall Of Fame Baseball HOF 2025 NY Mets JSA Auth
Almost Gone!
$286.99
$318.99
Sale
Tom Seaver Signed OML Baseball HOF 92 Inscribed Steiner Sports COA MLB
$262.99
$349.99
Sale
Mike Piazza New York Mets Autographed Baseball Shadow Box
$299.99
$399.99
Sale
Pete Alonso New York Mets Autographed Baseball Shadow Box
Almost Gone!
$262.99
$291.99
Sale
Tom Seaver Steiner COA Autograph OML Major League Signed Baseball
Almost Gone!
$276.99
$307.99
Sale
Tom Seaver Autographed Official NL Baseball New York Mets, Cincinnati Reds Beckett BAS QR #BR51277
Almost Gone!
$292.99
$324.99
Sale
Tom Seaver Autographed Official National League Baseball PSA/DNA Mets
Almost Gone!
$276.99
$307.99
Sale
Juan Soto Autographed Official MLB Baseball New York Mets Beckett BAS QR #BN13427
Almost Gone!
$259.99
$288.99
Sale
Tom Seaver Signed Auto Rawlings Baseball JSA CF42483
Almost Gone!
$276.99
$307.99
Sale
Juan Soto Autographed Official MLB Baseball New York Mets Beckett BAS QR #BN13412
Almost Gone!
$298.99
$331.99
Sale
Gary Carter Autographed Official Major League Baseball PSA/DNA Expos Mets
Almost Gone!
$262.99
$349.99
Sale
Pete Alonso New York Mets Autographed Baseball with "LGM!" Inscription
Almost Gone!
$264.99
$293.99
Sale
Brandon Nimmo Signed Official 2023 WBC World Baseball Classic JSA COA Mets
Almost Gone!
$256.99
$284.99
Sale
Al Leiter Signed Official Major League Baseball No Hitter 5/11/96 Marlins JSA
Almost Gone!
$262.99
$291.99
Sale
Randy Myers Autographed Official NL Baseball New York Mets, Cincinnati Reds "5/28/88" Beckett BAS #BK44377
Almost Gone!
$265.99
$295.99
Sale
Tom Seaver Signed Official National League Baseball Beckett Auto NY Mets Reds
Almost Gone!
$270.99
$300.99
Sale
Jacob deGrom Autographed MLB Signed Baseball Fanatics Authentic COA With Case
Almost Gone!
$293.99
$326.99
Sale
Tom Seaver New York Mets signed Official National League Baseball Ball Beckett
Almost Gone!
$289.99
$321.99
Sale
BILLY MURPHY (Astros) Signed Official 2022 WORLD SERIES Baseball Beckett (BAS)
Almost Gone!
$266.99
$296.99
Sale
Tom Seaver PSA DNA COA Autograph National League Signed Baseball
Almost Gone!
$262.99
$291.99
Sale
1991 Mets Team Signed by 32 Players ONL Baseball Harrelson Cone Gooden 187272
Almost Gone!
$257.99
$286.99
Sale
Signed Gary Carter Baseball - 1983 All Star Game PSA DNA
Almost Gone!
$280.99
$311.99
Sale
Rusty Staub JSA COA Autograph National League Signed Baseball Le Grande Orange
Almost Gone!
$277.99
$308.99
Sale
Francisco Alvarez Signed Major League Baseball MLB w/ "MLB Debut 9/30/22" BAS
Almost Gone!
$253.99
$281.99
Sale
Mike Piazza Dodgers Mets Signed Autograph OMLB Baseball PSA DNA *79
Almost Gone!
$277.99
$308.99
Sale
Tom Seaver Signed Baseball Mets Vintage Autograph Chub Feeney Ball is Toned JSA
Almost Gone!
$252.99
$280.99
Sale
1982 NY Mets team signed NL Baseball 25 Auto George Foster Rusty Staub Cbm COA
Almost Gone!
$284.99
$316.99
Sale
Noah Syndergaard Autographed Baseball - Official inscribed Debut holo COA
Almost Gone!
$258.99
$287.99
Sale
Autographed Charlie Neal Ball - Psa dna National League Authentic
Almost Gone!
$293.99
$326.99
Sale
Tom Seaver Signed ONL Baseball JSA COA #AN33356
Almost Gone!
$286.99
$318.99
Sale
1964 New York Mets Team Signed Autographed Game Used Baseball
Almost Gone!
$276.99
$307.99
Sale
1987 NY Mets Team signed baseball 30 auto Gary Carter Strawberry Gooden CBM COA
Almost Gone!
$293.99
$326.99
Sale
Mike Piazza Dodgers Mets Signed Autograph OMLB Baseball PSA DNA *39
Almost Gone!
$295.99
$328.99
Sale
Tom Seaver JSA Cert Autograph National League Signed Baseball
Almost Gone!
$256.99
$284.99
Sale
Mike Piazza Signed Leonard Coleman National League Baseball Jsa Coa
Almost Gone!
$271.99
$301.99
Sale
Roberto & Sandy Alomar Signed Autographed NL Baseball JSA UU46182
Almost Gone!
$262.99
$349.99
Sale
Pete Alonso New York Mets Autographed 2024 City Connect Logo Baseball with "LFGM!" Inscription
Almost Gone!
$277.99
$308.99
Sale
Tom Seaver Autographed Rawlings MLB baseball James Spence COA
Almost Gone!
$273.99
$303.99
Sale
Rod Kanehl Autographed Baseball - 1962 Psa dna Certified National League
Almost Gone!
$280.99
$311.99
Sale
Tom Seaver Signed Official American League Baseball JSA COA
Almost Gone!
$274.99
$304.99
Sale
Pete Alonzo Autographed New York Mets OMLB Baseball MLB Authenticated
Almost Gone!
$262.99
$291.99
Sale
Dick Stuart Pirates Mets Dodgers Signed/Autographed ONL Baseball 122946
Almost Gone!
$253.99
$281.99
Sale
Mike Piazza Autographed Ball - 1998 Drays 1st Season Mint Jsa Petco
Almost Gone!
$258.99
$287.99
Sale
Matt Harvey Autographed Baseball - M l Jsa # P37513
Almost Gone!
$252.99
$280.99
Sale
NY Mets Old Timers Day Team Signed Baseball 24 Auto Gary Carter Al Oliver COA
Almost Gone!
$287.99
$319.99
Sale
Mike Piazza Mets/dodgers Signed Autographed M.l. Baseball Jsa Auth
Almost Gone!
$276.99
$307.99
Sale
Gary Carter Gem Mint 10 PSA DNA Autograph Major League Signed Baseball
Almost Gone!
$255.99
$283.99
Sale
Ronny Mauricio Signed Official Gold Glove Baseball New York Mets PSA/DNA
Almost Gone!
$259.99
$288.99
Sale
LIVAN HERNANDEZ Signed 1997 WS Baseball JSA COA MARLINS
Almost Gone!
$256.99
$284.99
Sale
TOM STURDIVANT SIGNED BUDIG OAL BASEBALL NY YANKEES 1955-59 METS A's PSA/DNA COA
Almost Gone!
$261.99
$290.99
Sale
David Wright Signed Baseball - Hof Legend All Star Psa
Almost Gone!
$262.99
$349.99
Sale
Pete Alonso New York Mets Autographed Baseball with "19 NL ROY" Inscription
Almost Gone!
$277.99
$308.99
Sale
Bud Harrelson Good Luck New York Mets Signed Auto Vintage Ol Baseball Jsa
Almost Gone!
$296.99
$329.99
Sale
Mets Dwight Gooden "3x Inscribed" Signed Oml Baseball BAS Witnessed
Almost Gone!
$295.99
$328.99
Sale
Tom Seaver JSA COA Autograph National League Signed Baseball
Almost Gone!
$265.99
$295.99
Sale
Jeff McNeil "LGM!" Signed Official Baseball New York Mets MLB Authentication
Almost Gone!
$293.99
$326.99
Sale
Al Leiter Charles Johnson Autographed National League Baseball
Almost Gone!
$271.99
$301.99
Sale
Tom Seaver Tommy Lasorda Steve Carlton Foster Plus More MLB Signed Baseball
Almost Gone!
$293.99
$326.99
Sale
9-23-17 Game-Used Baseball Greg Bird, Luis Severino, Didi Gregorious Signed COA
Almost Gone!
$298.99
$331.99
Sale
Tom Seaver JSA COA National League Signed Baseball Autographed
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