Free U.S. Shipping on Orders Over $79. Use Code: SM79SHIP. 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. MLB Memorabilia
  2. Seattle Mariners
  3. Hot New Arrivals
  4. Signed
1 - 33 of 33
Hot New Arrivals
BaseballsJerseysPhotosTrading Cards
33 Items
  • 1
  • 1 of 1
BaseballsJerseysPhotosTrading Cards
Ships Free
$152.99
Edgar Martinez Autographed 8x10 Photo Seattle Mariners (The Double) Beckett BAS Witness Stock #252463
Ships Free
$183.99
Edgar Martinez Autographed 16x20 Photo Seattle Mariners (The Double) Beckett BAS Witness Stock #252464
Almost Gone!
Ships Free
$189.99
Cal Raleigh Seattle Mariners Autographed 2025 MLB Home Run Derby 8" x 10" Photograph
Most Popular in Collectibles & Memorabilia
Almost Gone!
Ships Free
$152.99
Domingo Ramos Unsigned Game Used Bat Rawlings I55S Seattle Mariners SKU #253160
Almost Gone!
Ships Free
$152.99
David Henderson Unsigned Game Used Bat Louisville Slugger K75 Seattle Mariners SKU #253146
Almost Gone!
Ships Free
$152.99
Jim Presley Unsigned Game Used Bat Rawlings Seattle Mariners SKU #253151
Almost Gone!
Ships Free
$152.99
Julio Cruz Unsigned Game Used Bat Louisville Slugger C314 Seattle Mariners SKU #253139
Almost Gone!
Ships Free
$152.99
Spike Owen Unsigned Game Used Bat Louisville Slugger R161 Seattle Mariners SKU #253148
Almost Gone!
Ships Free
$152.99
Phil Bradley Unsigned Game Used Bat Louisville Slugger R161 Seattle Mariners SKU #253153
Almost Gone!
Ships Free
$164.99
EDGAR MARTINEZ Signed 1988 Fleer ROOKIE Baseball Card #378 PSA AUTO 10
Almost Gone!
Ships Free
$158.99
LOGAN GILBERT (Mariners) Signed Official 2024 ALL-STAR Baseball Beckett (BAS)
Almost Gone!
Ships Free
$190.99
EDGAR MARTINEZ (Mariners) Signed Official HALL OF FAME Baseball Beckett (BAS)
Almost Gone!
Ships Free
$190.99
Graded 1989 Upper Deck Star Rookie Ken Griffey Jr. #THEKID Rookie RC Card PSA 7
Almost Gone!
Ships Free
$158.99
ANDRES MUNOZ (Seattle Mariners) Signed Official MLB Baseball Beckett (BAS)
Almost Gone!
Ships Free
$158.99
LUIS CASTILLO (Seattle Mariners) Signed Official MLB Baseball Beckett (BAS)
Almost Gone!
Ships Free
$158.99
ANDRES MUNOZ (Mariners) Signed Official 2025 ALL-STAR Baseball Beckett (BAS)
Almost Gone!
Ships Free
$190.99
CARL EVERETT (Sox) Signed Official 2005 WORLD SERIES Baseball Beckett BAS w/ INS
Almost Gone!
Ships Free
$163.99
2000s Seattle Mariners Game Used Navy Jersey Batting Practice Spring Training
Almost Gone!
Ships Free
$192.99
Logan Gilbert Signed 2022 Topps Opening Day Trading Card Mariners Ace PSA/DNA
Almost Gone!
Ships Free
$195.99
Harry Ford Signed Official Major League Baseball Seattle Mariners JSA Auth
Almost Gone!
Ships Free
$152.99
Ken Griffey Jr Autographed 4"x7" Photo Seattle Mariners Beckett BAS #18284487
Almost Gone!
Ships Free
$199.99
Cal Raleigh Seattle Mariners Autographed 2025 MLB Home Run Derby 16" x 20" Photograph
Almost Gone!
Ships Free
$199.99
Julio Rodriguez Seattle Mariners Autographed 2025 MLB All-Star Game Logo Baseball
Almost Gone!
Ships Free
$160.99
Edgar Martinez Gem Mint 10 Beckett BAS Signed 2021 Topps Allen & Ginter Autograp
Almost Gone!
Ships Free
$152.99
Ken Griffey Sr. Autographed Official Game Used MacPhail AL Baseball New York Yankees Beckett BAS Witness #2W796828
Almost Gone!
Ships Free
$195.99
Ken Griffey, Jr. signed Seattle Mariners MLB Licensed 8x10 Photo imperfect- COA (HOF)
Almost Gone!
Ships Free
$160.99
Edgar Martinez Gem Mint 10 Beckett BAS Signed 2020 Topps Allen & Ginter Autograp
Almost Gone!
Ships Free
$160.99
Edgar Martinez Gem Mint 10 Beckett BAS Signed 2022 Topps Allen & Ginter Mini Aut
Almost Gone!
Ships Free
$152.99
Edgar Martinez Autographed Official MLB Baseball Seattle Mariners MCS Holo #64093
Almost Gone!
Ships Free
$198.99
Edgar Martinez Autographed Official 2003 All Star Game Logo MLB Baseball Seattle Mariners MCS Holo #64082
Almost Gone!
Ships Free
$198.99
Edgar Martinez Autographed Official 2003 All Star Game Logo MLB Baseball Seattle Mariners MCS Holo #64075
Almost Gone!
Ships Free
$183.99
Edgar Martinez Autographed Louisville Slugger Bat Seattle Mariners MCS Holo #88452
Almost Gone!
Ships Free
$183.99
Jay Buhner Autographed Rawlings Bat Seattle Mariners MCS #88827
  • 1
  • 1 of 1
BaseballsJerseysPhotosTrading Cards