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. New York Knicks
  3. New York Knicks Basketballs
  4. Signed
  5. Sale Items
1 - 72 of 120
Basketballs
120 Items
Almost Gone!
$112.99
$149.99
Sale
Amar'e Stoudemire New York Knicks Autographed Wilson Authentic Series Indoor/Outdoor Basketball
Almost Gone!
$269.99
$299.99
Sale
Rasheed Wallace signed Wilson Replica NBA Basketball autograph ~ BAS Beckett
Almost Gone!
$554.99
$616.99
Sale
Patrick Ewing Autographed Authentic Series NBA Wilson Basketball-Beckett W Holo
Almost Gone!
$187.99
$249.99
Sale
Allan Houston & Larry Johnson New York Knicks Autographed Wilson Authentic Series Indoor/Outdoor Basketball
Most Popular in Collectibles & Memorabilia
Almost Gone!
$262.99
$349.99
Sale
Karl-Anthony Towns New York Knicks Autographed Wilson 2024-25 City Edition Collector's Basketball
Almost Gone!
$220.99
$245.99
Sale
Walt Frazier signed Wilson NBA Authentics Series I/O Basketball- JSA Witnessed (New York Knicks)
Almost Gone!
$523.99
$581.99
Sale
Patrick Ewing New York Knicks Signed NBA Wilson I/O Basketball BAS
Almost Gone!
$988.99
$1,098.99
Sale
Jalen Brunson Signed Wilson I/O Basketball Knicks Mint Autograph Fanatics COA
$242.99
$269.99
Sale
Stephon Marbury Signed Wilson New York Knicks Logo NBA Basketball
Almost Gone!
$21.99
$23.99
Sale
Kurt Thomas Autographed Basketball - TCU 4x8 Floor Tile JSA
$554.99
$616.99
Sale
Patrick Ewing Autographed Authentic Indoor/Outdoor Basketball New York Knicks Beckett BAS Witness Stock #214817
$187.99
$249.99
Sale
Mikal Bridges New York Knicks Autographed Wilson Authentic Series Indoor/Outdoor Basketball
$137.99
$152.99
Sale
Bernard King Autographed Spalding I/O Basketball New York Knicks "HOF 2013" Steiner Stock #185852
$112.99
$149.99
Sale
Bernard King New York Knicks Autographed Wilson Authentic Series Indoor/Outdoor Basketball with "HOF 13" Inscription
Almost Gone!
$149.99
$199.99
Sale
Amar'e Stoudemire New York Knicks Autographed Wilson Authentic Series Indoor/Outdoor Basketball with "S.T.A.T." Inscription
Almost Gone!
$137.99
$152.99
Sale
Earl The Pearl Monroe Autographed NBA Replica Basketball New York Knicks Beckett BAS QR #BS30437
$161.99
$179.99
Sale
Xavier McDaniel Signed Wilson I/O NBA Basketball w/X-Man
$487.99
$649.99
Sale
Patrick Ewing New York Knicks Autographed Wilson Replica Basketball
$195.99
$217.99
Sale
Joakim Noah Signed Wilson Indoor/Outdoor NBA Basketball
$554.99
$616.99
Sale
Patrick Ewing Autographed Composite Leather New York Knicks Logo Basketball Beckett BAS Witness Stock #236549
$299.99
$399.99
Sale
Jerry Lucas New York Knicks Autographed Wilson Authentic Series Indoor/Outdoor Basketball
$161.99
$179.99
Sale
Charlie Ward Signed Wilson New York Knicks Logo NBA Basketball w/Go Knicks
$197.99
$219.99
Sale
Bernard King Signed Wilson New York Knicks Brown Logo NBA Basketball w/HOF 2013
$242.99
$269.99
Sale
Joakim Noah Signed Wilson Platinum NBA Basketball w/14 NBA DPOY
Almost Gone!
$624.99
$693.99
Sale
Dave DeBusschere Autographed Spalding NBA Leather Game Basketball New York Knicks Beckett BAS QR #BS30436
Almost Gone!
$415.99
$461.99
Sale
Jerry Lucas Autographed Spalding NBA Leather Game Basketball New York Knicks "HOF 79" Beckett BAS QR #BS30431
Almost Gone!
$161.99
$179.99
Sale
Larry Johnson Signed Wilson Indoor/Outdoor NBA Basketball
Almost Gone!
$45.99
$50.99
Sale
John Wallace Signed Mini Spalding 5" NBA Basketball JSA Authenticated
Almost Gone!
$484.99
$538.99
Sale
Earl The Pearl Monroe Autographed Spalding NBA Game Ball Basketball New York Knicks "HOF 1989" Beckett BAS QR #BS30425
Almost Gone!
$161.99
$179.99
Sale
Terry Cummings Signed Los Angeles Clippers Logo Wilson NBA Basketball w/83 ROY
Almost Gone!
$599.99
$799.99
Sale
Patrick Ewing New York Knicks Autographed Wilson Replica Basketball with "HOF 08" Inscription
Almost Gone!
$231.99
$257.99
Sale
Joakim Noah Signed Wilson NCAA Basketball w/2x Nat'l Champs
Almost Gone!
$112.99
$125.99
Sale
WALT FRAZIER HOF Signed Autograph Basketball Signature 4.25x6.25" Cut JSA COA
Almost Gone!
$82.99
$91.99
Sale
Frank Ntilikina 2017-18 Panini Absolute Ink And Leather Ball Auto Rc #d /99
Almost Gone!
$130.99
$144.99
Sale
Bernard King Autographed/Signed New York Knicks Basketball Beckett 44408
Almost Gone!
$121.99
$135.99
Sale
Harry Gallatin Autographed Spalding I/O Basketball Inscribed "HOF 91" Autographed
Almost Gone!
$134.99
$179.99
Sale
Dick Barnett New York Knicks Autographed Wilson Replica Basketball
Almost Gone!
$129.99
$143.99
Sale
John Starks Signed Auto Autograph Wilson NBA Basketball JSA Witness COA
Almost Gone!
$71.99
$79.99
Sale
Ray Williams Autographed Basketball - with "NY Knicks" Inscription
Almost Gone!
$113.99
$126.99
Sale
Jerian Grant Autographed Basketball - Logo w JSA COA SD07627
Almost Gone!
$137.99
$152.99
Sale
Bill Bradley Autographed Official NBA Leather Basketball New York Knicks (Flat) JSA #AV29194
Almost Gone!
$103.99
$115.99
Sale
Frank Ntilikina Signed Basketball Fanatics New York Knicks Autographed France
Almost Gone!
$126.99
$140.99
Sale
Glen Rice 2017-18 Panini Flawless Basketball Auto #/25 W/ Mag Hornets
Almost Gone!
$93.99
$103.99
Sale
RJ Barrett 2019-20 Panini Donruss #203 Basketball Rookie Auto W/ Mag Knicks
Almost Gone!
$173.99
$192.99
Sale
Kris Jenkins/Josh Hart 2016 Champs Villanova Signed Basketball JSA 135574
Almost Gone!
$554.99
$616.99
Sale
Dave DeBusschere Autographed Official NBA Leather Game Basketball New York Knicks JSA #AV29199
Almost Gone!
$224.99
$249.99
Sale
Walt Frazier Signed Wilson 75th Anniversary Logo Black NBA Basketball
Almost Gone!
$242.99
$269.99
Sale
Amar'e (Amare) Stoudemire Signed Wilson New York Knicks Logo NBA Basketball
Almost Gone!
$415.99
$461.99
Sale
Patrick Ewing Autographed Spalding Basketball New York Knicks JSA 159603
Almost Gone!
$704.99
$782.99
Sale
Walt Frazier "HOF 1987" Autographed Signed Spalding NBA Basketball JSA
Almost Gone!
$1,177.99
$1,308.99
Sale
Rasheed Wallace signed Basketball PSA/DNA autographed
Almost Gone!
$441.99
$490.99
Sale
Walt Frazier Autographed Basketball - JSA
Almost Gone!
$199.99
$399.99
Clearance
Donte DiVincenzo New York Knicks Autographed Wilson Authentic Series Indoor/Outdoor Basketball with "3-25-24 NYK Rec 11 3pts" Inscription - Limited Edition of 12
Almost Gone!
$1,232.99
$1,369.99
Sale
Carmelo Anthony Signed Basketball - Spalding Indoor Outdoor JSA
Almost Gone!
$4,000.99
$4,445.99
Sale
1969 - 1970 New York Knicks NBA Champs Team Signed Basketball Steiner COA
Almost Gone!
$445.99
$494.99
Sale
Steve Francis "The Franchise" Autographed Signed Spalding NBA Game Ball (JSA)
Almost Gone!
$194.99
$216.99
Sale
Glen Rice Signed Basketball - Michigan Wolverines Logo Beckett
Almost Gone!
$165.99
$183.99
Sale
2008-2012 NY Knicks Coaches Multi Signed Basketball 5 sigs D'Antoni Williams ++
Almost Gone!
$170.99
$189.99
Sale
Maurice Cheeks Signed Wilson Platinum Full Size NBA Basketball w/HOF 2018
Almost Gone!
$142.99
$158.99
Sale
Kevin Knox Autographed Basketball - *KENTUCKY WILDCATS* W COA
Almost Gone!
$178.99
$198.99
Sale
Walt Frazier Autographed Official NBA Gold Wilson Basketball-Beckett W Hologram
Almost Gone!
$163.99
$181.99
Sale
Walt Bellamy Signed Basketball Knicks "HOF '93"- COA JSA
Almost Gone!
$674.99
$749.99
Sale
Patrick Ewing Signed New York Knicks Wilson Indoor/Outdoor NBA Basketball
Almost Gone!
$178.99
$198.99
Sale
Xavier McDaniel Autographed Official NBA Wilson Basketball w/X-Man-Beckett Holo
Almost Gone!
$625.99
$694.99
Sale
Karl Anthony Towns Signed New York Knicks Basketball Fanatics 2
Almost Gone!
$268.99
$298.99
Sale
Donte Divincenzo Signed Authentic Wilson I/O Basketball Knicks Big Ragu Auto BAS
Almost Gone!
$162.99
$180.99
Sale
Steve Francis Signed Basketball - I O Full Size JSA DNA
Almost Gone!
$142.99
$158.99
Sale
Signed Kristaps Porzingis Basketball - Dallas Mavericks W COA
Almost Gone!
$143.99
$159.99
Sale
Stephon Marbury Signed NBA T'Wolves Wilson Logo Basketball Starbury BAS
Almost Gone!
$224.99
$249.99
Sale
Walt Frazier Signed Wilson Gold Full Size NBA Basketball
Almost Gone!
$479.99
$532.99
Sale
Elton Brand Steve Francis Baron Davis 1999 NBA Draft Signed Basketball JSA COA
Almost Gone!
$692.99
$769.99
Sale
Bill Bradley Signed Autographed Basketball 2x NBA Champion Knicks Forward JSA