Cubs Sammy Sosa Signed 1990 Upper Deck #17 Card Auto Grade GM 10! BAS Slabbed
Cubs Sammy Sosa Signed 1990 Upper Deck #17 Card Auto Grade GM 10! BAS Slabbed is backordered and will ship as soon as it is back in stock.
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Authenticity Guaranteed
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.
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Description
Description
Autographed, signed memorabilia: Sammy Sosa 1990 Upper Deck #17, BAS slabbed with Auto Grade Gem Mint 10 — Collector Grade, Verified Authentic. A cornerstone of the Chicago Cubs in the late ’90s, Sosa won the 1998 NL MVP and joined the 600 Home Run Club. He’s the only player in MLB history with three 60-HR seasons, making his early-issue Upper Deck card a strong target for serious collectors.
Collector's Highlights:
- Profession - Athlete: Sammy Sosa (Chicago Cubs)
- Item: 1990 Upper Deck #17 baseball card, hand-signed; BAS slabbed; autograph grade Gem Mint 10
- Authentication: Beckett Authentication Services (BAS) — slabbed holder with Gem Mint 10 autograph grade, guaranteed authentic
Backed by Beckett’s trusted authentication and encapsulation, this signed rookie-era Sosa card carries long-term collecting confidence and displays cleanly in any collection. We have multiples of this exact offering; because each item is hand signed, signature size and placement may vary, and each autograph is unique.
