Mark McGwire & Sammy Sosa Autographed Official MLB Baseball (Smudged) Beckett BAS Witness #3W367233
Mark McGwire & Sammy Sosa Autographed Official MLB Baseball (Smudged) Beckett BAS Witness #3W367233 is backordered and will ship as soon as it is back in stock.
Fast Shipping
Fast Shipping
After payment is received, items will generally ship from Pristine Marketplace or our approved vendors within 2 business days. Please allow an additional 5-7 business days for custom framed jerseys.
Orders will ship via FedEx, UPS, or USPS for both domestic and international shipments.
60-Day Risk-Free Returns
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.
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.
Learn more
Fast & Secure Checkout
Description
Description
Collector Grade MLB memorabilia: autographed and dual-signed Official MLB baseball by Mark McGwire & Sammy Sosa (smudged) with Beckett BAS Witness #3W367233. In 1998, McGwire set a then-record 70 home runs while Sosa hit 66 and won the NL MVP, fueling the era-defining home run race. McGwire is a 1989 World Series champion with 583 career homers; Sosa finished with 609 and is the only player with three 60-HR seasons.
Collector's Highlights:
- Athletes: Mark McGwire & Sammy Sosa
- Item: Official MLB Baseball, dual-signed; light signature smudge present as shown; Beckett BAS Witness hologram #3W367233
- Authentication: Beckett Authentication Services (BAS) Witness — tamper-proof hologram affixed; in-person witnessed signatures documented by BAS
Each autograph was witnessed by Beckett and linked to the matching hologram, giving you verified authentic signatures from one of baseball’s most memorable storylines. Beckett’s certification adds trusted third-party backing that supports the piece’s long-term collectability and value.
