Free Shipping on U.S. Orders $99+!

Shop the Top Deals of the Week Shop Now

Ken Griffey Jr. Autographed Topps Project 2020 Gregory Siff Card #231 Seattle Mariners "24" #1/1 PSA/DNA #52451172

$719

⭑⭑⭑⭑⭑ 4.8/5 Stars from Real Collectors

Free Shipping on U.S. Orders $99+

After payment is received, items will generally ship from Pristine Marketplace or our approved vendors within 2 business days.

Orders will ship via FedEx, UPS, or USPS for both domestic and international shipments.

60-Day Risk-Free Returns

Shop with total confidence. If you're not completely satisfied, return your item within 60 days for a full refund—no questions asked. Your satisfaction is 100% guaranteed.

100% Authenticity Guaranteed

All signatures sold on Pristine Marketplace are 100% guaranteed authentic, offering buyers complete confidence in every purchase.

Each autographed item undergoes rigorous verification through trusted authentication providers—including Beckett Authentication Services (BAS), James Spence Authentication (JSA), Fanatics Authentic, or Pristine Auction’s own in-house standard, Pristine Authentic.

This unwavering commitment to authenticity protects collectors and fans alike, making every signed piece not just a display item, but a trusted investment.

Learn more

Fast & Secure Checkout

  • Amazon
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Venmo
  • Visa

This Topps Project 2020 Gregory Siff Card #231 is a true collector's gem, personally hand-signed by Ken Griffey Jr. and enhanced with an exclusive "24" inscription—a tribute to his legendary jersey number. This one-of-a-kind (1/1) card is a must-have for serious baseball memorabilia enthusiasts.

  • Authentic Signature: Signed by Ken Griffey Jr. in bold blue ink.
  • Limited Edition: This card is hand-numbered #1/1—a true rarity in the Topps Project 2020 series.
  • Encapsulated & Verified: Officially certified authentic by PSA/DNA, ensuring lifelong authenticity and protection.
  • Premium Display: Securely housed in PSA’s tamper-proof holder, preserving its pristine condition.

As one of baseball’s most iconic figures, Ken Griffey Jr. left an indelible mark on the sport with his electrifying play and unmistakable swing. Whether you're an avid collector or a lifelong fan, this ultra-rare Gregory Siff-designed Topps card is an investment-worthy keepsake that celebrates Griffey’s enduring legacy. Secure this exclusive signed card today before it's gone forever!