SEAauthentics

Official account for Seattle Mariners authentic game-used & autographed memorabilia direct from T-Mobile Park. Visit us at Section 128 or Mariners Team Store.

[SEAauthentics @SEAauthentics]

There are just a few hours left in our 50 Greatest Players auction! Items include autographed field markers and jerseys from the 50 Seasons ceremony, plus 2 original prints autographed by the honorees. This auction ends tonight at 7pm, place your bid at https://t.co/uaou8ulhg7!

[SEAauthentics @SEAauthentics]

Today is the final day to place a bid in our Alumni Home Run Derby auction! Items include autographed Derby jerseys, caps, and bats plus baseballs including HR balls. Head over to https://t.co/3F9dPglkVL to view the items and place a bid! This auction closes tonight at 7pm.

[SEAauthentics @SEAauthentics]

This week’s auction closes in under an hour! Make sure to place your bids by 7pm tonight at https://t.co/3F9dPglkVL!

[SEAauthentics @SEAauthentics]

Cal Raleigh's #gameused grand slam ball is available in this week's auction! Check out this and other listings now at https://t.co/3F9dPglkVL

[SEAauthentics @SEAauthentics]

Cal Raleigh's #gameused grand slam ball is available in this week's auction! Check out this and other listings now at https://t.co/3F9dPglkVL

[Seattle Mariners @Mariners]

Wanted Cal Raleigh. Got Cal Raleigh.

[SEAauthentics @SEAauthentics]

This week's auction features 2nd base from J.P. Crawford's 1000th career game in which he broke up a no-hitter with a double and scored in a Mariners win! Other items include game used jerseys, balls, and more. View the items and bid at https://t.co/3F9dPglkVL by 7pm this Sunday!

[SEAauthentics @SEAauthentics]

This auction closes at 7pm tonight! View the listings and place a bid at https://t.co/3F9dPglkVL

[SEAauthentics @SEAauthentics]

Our latest auction is live! This week's auction includes game used items from Colt Emerson, JP Crawford, and Logan Gilbert, plus caps from our Randy Johnson Number Retirement celebration. Place your bids at https://t.co/3F9dPglkVL before 7pm on Sunday!

[SEAauthentics @SEAauthentics]

Our latest auction is live! This week's auction includes game used items from Colt Emerson, JP Crawford, and Logan Gilbert, plus caps from our Randy Johnson Number Retirement celebration. Place your bids at https://t.co/3F9dPglkVL before 7pm on Sunday!

[SEAauthentics @SEAauthentics]

This week's auction features an autographed Bryce Miller game used ball from the 2025 postseason, jerseys from Cole Young and Randy Arozarena, plus Josh Naylor and Dom Canzone's game used bats, and much more!

Place a bid at https://t.co/3F9dPglkVL before this Sunday at 7pm!

[SEAauthentics @SEAauthentics]

Less than 1 hour remains to place a bid in this auction! Head over to https://t.co/cIvv1kGZt6 to place a bid before 7pm!

[SEAauthentics @SEAauthentics]

Check out this week's auction, featuring a game used and autographed ball from Colt Emerson's debut, a Julio Rodriguez home run ball, the bat and ball from Victor Robles' walkoff winner, and much more! Auction ends this Sunday at 7pm, place your bid at https://t.co/3F9dPglkVL

[SEAauthentics @SEAauthentics]

Check out this week's auction, featuring a game used and autographed ball from Colt Emerson's debut, a Julio Rodriguez home run ball, the bat and ball from Victor Robles' walkoff winner, and much more! Auction ends this Sunday at 7pm, place your bid at https://t.co/3F9dPglkVL

[SEAauthentics @SEAauthentics]

Our latest auction featuring game used jerseys, caps, and balls from our Randy Johnson Number Retirement weekend closes tonight at 7pm! Place your bid at https://t.co/3F9dPglkVL to own a piece of Mariners history!

[SEAauthentics @SEAauthentics]

It's Steelheads Sunday! Make sure to check out our auction page at https://t.co/3F9dPglkVL for game used Steelheads jerseys from Cal Raleigh, Julio Rodriguez, Cole Young, and more! This auction ends next Sunday at 7pm.

[Seattle Mariners @Mariners]

Series finale on deck.

[SEAauthentics @SEAauthentics]

Our Opening Week auction closes at 7pm tonight! Bid on a range of items from 2025 and the first homestand of this season! Head over to https://t.co/3F9dPglkVL to view the listings and place a bid.

[SEAauthentics @SEAauthentics]

Take a closer look at one of our featured auction items, a dual-signed Topps Now card celebrating our 2025 division title clinch! This card is numbered 4/5 and features autographs by both Cal Raleigh and Julio Rodríguez

Visit https://t.co/3F9dPglkVL to view the listing and bid!

[SEAauthentics @SEAauthentics]

Only a few hours remain to bid on items from our historic 2025 season! Tonight's auction closes at 7pm, head over to https://t.co/3F9dPglkVL to place a bid.

[SEAauthentics @SEAauthentics]

Our latest auction is live now! Bid on a range of items from a set of Game Used autographed Cal Raleigh catcher's gear to jerseys and balls from the 2025 playoffs, and much more! Visit https://t.co/3F9dPglkVL to view the items and place your bid, this auction closes 3/29 at 7pm!

[SEAauthentics @SEAauthentics]

Throughout the season, we'll be using these special #Mariners50 on-field baseballs.
Secure your own game-used baseball now: https://t.co/NCM3F6GnsL

[Seattle Mariners @Mariners]

For the 50th time in franchise history, it’s #OpeningDay!

#Mariners50 x #TridentsUp

[SEAauthentics @SEAauthentics]

Our latest auction is live now! Bid on a range of items from a set of Game Used autographed Cal Raleigh catcher's gear to jerseys and balls from the 2025 playoffs, and much more! Visit https://t.co/3F9dPglkVL to view the items and place your bid, this auction closes 3/29 at 7pm!

[SEAauthentics @SEAauthentics]

This auction closes in just a few hours! Bid on these items as well as our autographed WBC caps at https://t.co/3F9dPglkVL!

[SEAauthentics @SEAauthentics]

Check out https://t.co/3F9dPglkVL which features Spring Training jerseys for Julio Rodriguez, Hisashi Iwakuma, Colt Emerson, Edgar Martinez and more! For more jerseys, request our inventory list by emailing [email protected]!

[SEAauthentics @SEAauthentics]

Check out https://t.co/3F9dPglkVL which features Spring Training jerseys for Julio Rodriguez, Hisashi Iwakuma, Colt Emerson, Edgar Martinez and more! For more jerseys, request our inventory list by emailing [email protected]!

[SEAauthentics @SEAauthentics]

Our Spring Training auction closes in less then two hours! Make sure to get your bid in at https://t.co/3F9dPglkVL before 7:00 tonight

[SEAauthentics @SEAauthentics]

Our Spring Training auction is live! Head over to https://t.co/3F9dPglkVL to bid on game used and team issued items from past Spring Trainings! Items include Spring Training jerseys, caps, nameplates and more. Auction closes this Sunday at 7pm.