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. basketball Memorabilia
  2. Boston Celtics
  3. Boston Celtics Basketballs
  4. Signed
1 - 72 of 259
Basketballs
259 Items
Almost Gone!
$328.99
$364.99
Sale
Larry Bird Autographed Boston Celtics Logo NBA Basketball Beckett Witnessed
Almost Gone!
$492.99
$547.99
Sale
Larry Bird Kevin McHale Robert Parish Signed Celtics Platium Edition Basketball
$487.99
$649.99
Sale
Larry Bird Boston Celtics Autographed Wilson Official Game Basketball
$391.99
$435.99
Sale
Autographed Larry Bird Basketball
Almost Gone!
$387.99
$430.99
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Larry Bird Autographed Authentic Series Indoor/Outdoor Wilson NBA Basketball Boston Celtics PSA/DNA Stock #215609
Almost Gone!
$1,799.99
Boston Celtics Legends Autographed Wilson 75th Anniversary Platinum Basketball with 6 Signatures including Larry Bird, Kevin Garnett & Kevin McHale - Limited Edition of 22
$974.99
$1,299.99
Sale
Larry Bird Boston Celtics Autographed Wilson Authentic Series Indoor/Outdoor Basketball with "HOF 1998" Inscription - Limited Edition of 133
Almost Gone!
$974.99
$1,299.99
Sale
Larry Bird Boston Celtics Autographed Wilson Authentic Series Indoor/Outdoor Basketball with "2X NBA FINALS MVP" Inscription - Limited Edition of 33
$387.99
$430.99
Sale
Larry Bird Autographed Authentic Series I/O Indoor/Outdoor Basketball Boston Celtics JSA Stock #220498
$456.99
$507.99
Sale
Larry Bird Autographed Green City Edition Auerbach Smoke Logo Basketball Boston Celtics Beckett BAS Witness Stock #222787
$377.99
$419.99
Sale
Larry Bird Signed Wilson Indoor/Outdoor NBA Basketball
$2,499.99
Kevin McHale, Larry Bird, Robert Parish Boston Celtics Autographed Wilson Official Game Basketball with Multiple Inscriptions
$649.99
Jayson Tatum Boston Celtics Autographed Wilson NBA Authentic Series Indoor/Outdoor Basketball
$699.99
Larry Bird, Robert Parish & Kevin McHale Boston Celtics Multi-Signed Wilson Authentic Series Indoor/Outdoor Basketball
$1,799.99
Larry Bird Boston Celtics Autographed Wilson Official Game Basketball with "3x NBA Champ" Inscription - Limited Edition of 133
Almost Gone!
$1,499.99
Boston Celtics Legends Autographed Wilson NBA 75th Anniversary Platinum Edition Basketball with 6 Signatures including Larry Bird, Kevin Garnett & Kevin McHale
Almost Gone!
$415.99
$461.99
Sale
Bill Sharman Autographed Spalding NBA Leather Game Basketball Boston Celtics Beckett BAS QR #BS30432
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$4,909.99
$5,454.99
Sale
Larry Bird Magic Julius Erving Signed Official Spalding NBA Basketball BAS/JSA
Almost Gone!
$832.99
$925.99
Sale
John Havlicek Autographed Spalding NBA Leather Game Basketball Boston Celtics UDA Holo & Beckett BAS QR #BS30428
Almost Gone!
$974.99
$1,299.99
Sale
Larry Bird Boston Celtics Autographed Wilson Authentic Series Indoor/Outdoor Basketball with "Larry Legend" Inscription - Limited Edition of 133
Almost Gone!
$2,945.99
$3,272.99
Sale
Boston Celtics Multi Signed Basketball - Larry Bird, Robert Parish, Kevin McHale, Bob Cousy, Gene Conley, Tom Heinsohn, ML Carr & Jim Loscutoff JSA
Almost Gone!
$523.99
$581.99
Sale
Kevin Garnett Autographed Boston Celtics Wilson Basketball HOF Beckett 50874
Almost Gone!
$2,453.99
$2,726.99
Sale
2023-24 Boston Celtics NBA Champion Team Autographed Spalding Basketball Fanatics
Almost Gone!
$6,545.99
$7,272.99
Sale
Lionel Messi & Lamine Yamal Autographed Barcelona Shirt Framed to 32x40 Icons
Almost Gone!
$523.99
$581.99
Sale
Kevin Garnett Autographed Boston Celtics Wilson Basketball Big Tic Beckett 50873
Almost Gone!
$409.99
$454.99
Sale
Payton Pritchard Boston Celtics Autographed Black Wilson Basketball w/ NBA Champs Inscription JSA
Almost Gone!
$391.99
$435.99
Sale
Kevin Garnett Autographed Boston Celtics Wilson I/O Basketball Beckett 50872
Almost Gone!
$637.99
$708.99
Sale
Larry Bird Kevin McHale Robert Parish Big Three Triple Autograph Basketball
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$849.99
Jayson Tatum Boston Celtics Autographed Wilson Official Game Basketball
Almost Gone!
$974.99
$1,299.99
Sale
Larry Bird Boston Celtics Autographed Wilson 75th Anniversary Logo Black Basketball with "3X NBA MVP" Inscription - Limited Edition of 33
Almost Gone!
$543.99
$603.99
Sale
Dave Cowens Signed Autographed Official Basketball Boston Celtics PSA Z31249
Almost Gone!
$346.99
$384.99
Sale
John Havlicek Autographed Official NBA Leather Basketball Boston Celtics (Damaged) UDA Holo #AAK24590
Almost Gone!
$346.99
$384.99
Sale
Larry Bird Autographed NBA Wilson Celtics Logo Basketball - Beckett W Hologram
Almost Gone!
$337.99
$449.99
Sale
Kevin Garnett Boston Celtics Autographed Wilson Authentic Series Indoor/Outdoor Basketball with "HOF 20" Inscription
Almost Gone!
$883.99
$981.99
Sale
Jayson Tatum Signed Ball
Almost Gone!
$386.99
$429.99
Sale
Larry Bird Signed Wilson Gold NBA Basketball
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$787.99
$875.99
Sale
Celtics Kevin Garnett "HOF 20" Signed Wilson Basketball BAS Witnessed
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$365.99
$406.99
Sale
Gordon Hayward Autographed Basketball - Spalding I O JSA
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$2,321.99
$2,579.99
Sale
Larry Bird & Magic Johnson Signed Official Spalding NBA Basketball BAS/PSA
Almost Gone!
$486.99
$540.99
Sale
Autographed Kevin McHale Basketball - GAME REPLICA Beckett COA HOF 99
Almost Gone!
$787.99
$875.99
Sale
Magic Johnson & Larry Bird Signed Gold Wilson Basketball BAS Witnessed
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$431.99
$479.99
Sale
Bob Cousy Autographed Wilson Platinum Edition Basketball - BAS
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$336.99
$373.99
Sale
Celtics Kevin McHale "HOF 99" Signed Wilson Basketball BAS Witnessed
Almost Gone!
$346.99
$384.99
Sale
Celtics Kevin McHale "Torture Chamber" Signed Wilson Basketball BAS Witnessed
Almost Gone!
$492.99
$547.99
Sale
Celtics Kevin McHale "Torture Chamber" Signed Wilson Basketball W/ Case BAS Wit
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$374.99
$499.99
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Kevin Garnett and Paul Pierce Boston Celtics Dual-Signed Wilson Authentic Series Indoor/Outdoor Basketball
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$482.99
$536.99
Sale
Celtics Kevin McHale "HOF 99" Signed Wilson Basketball W/ Case BAS Witnessed
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$981.99
$1,090.99
Sale
Jayson Tatum Boston Celtics Autographed Black Spalding Basketball Fanatics
Almost Gone!
$489.99
$543.99
Sale
Bob Cousy Autographed Basketball - 03
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$1,807.99
$2,008.99
Sale
Larry Bird Robert Parish Kevin McHale Signed OFFICIAL Game BALL PSA BAS CELTICS
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$521.99
$579.99
Sale
Paul Pierce Signed Spalding Basketball w/ "HOF 21" Fanatics
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$9,613.99
$10,681.99
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Bill Russell (Boston Celtics) Autographed Basketball - The Finest Heavily Inscribed STAT #5 11 JSA COA
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$1,572.99
$1,747.99
Sale
Celtics (3) Garnett, Pierce & Allen Signed Wilson Basketball BAS Witnessed
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$1,047.99
$1,163.99
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Ray Allen Signed Basketball PSA/DNA Boston Celtics Autographed Heat
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$787.99
$875.99
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Magic Johnson & Larry Bird Signed Wilson Trophy Series Basketball BAS Witnessed
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$589.99
$654.99
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Larry Bird Boston Celtics Hof,3x Nba Champ Beckett/coa Signed Basketball
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$1,767.99
$1,963.99
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Bill Russell Autographed Leather Molten Official Basketball
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$688.99
$765.99
Sale
Magic Johnson & Larry Bird Signed Wilson Basketball BAS Witnessed
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$1,111.99
$1,235.99
Sale
Larry Bird & Julius "Dr. J." Erving Signed Wilson Basketball w/ case BAS Wit
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$9,613.99
$10,681.99
Sale
2007-08 Boston Celtics NBA Champs Team Signed Basketball UDA Upper Deck COA RARE
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$859.99
$954.99
Sale
Jayson Tatum Boston Celtics Signed Wilson NBA Authentic Basketball FANATICS
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$959.99
$1,066.99
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Larry Bird Signed Spalding Official NBA Game Basketball JSA & UDA Upper Deck COA
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$12,019.99
$13,354.99
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1958-1966 Boston Celtics NBA Champs Team Signed Basketball Bill Russell JSA COA
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$1,309.99
$1,454.99
Sale
Dennis Johnson Signed Spalding Official Game Basketball JSA Authenticated
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$761.99
$846.99
Sale
Kevin Garnett signed NBA Basketball "HOF 20" inscription Fanatics Celtics Minn
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$1,921.99
$2,135.99
Sale
Rare Reggie Lewis Single Signed Nike Basketball Boston Celtics JSA COA
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$706.99
$784.99
Sale
Larry Bird, Robert Parish & Kevin McHale Celtics Autographed Basketball NEP
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$391.99
$435.99
Sale
Kristaps Porzingis Boston Celtics Autographed Basketball BAS
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$542.99
$602.99
Sale
Celtics Larry Bird Signed Wilson Gold Edition Basketball BAS Witnessed
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$302.99
$336.99
Sale
Bill Sharman Hall Of Fame 1975 Signed Spalding NBA Basketball JSA COA
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$652.99
$725.99
Sale
1990-1991 Boston Celtics Team Signed Basketball Larry Bird McHale Lewis Full JSA
Almost Gone!
$382.99
$424.99
Sale
Kevin McHale Autographed Ball - Spalding Beckett BAS