Mark McGwire & Sammy Sosa Autographed Official MLB Baseball (Smudged) Beckett BAS Witness #3W367258
Mark McGwire & Sammy Sosa Autographed Official MLB Baseball (Smudged) Beckett BAS Witness #3W367258 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 autographed and signed memorabilia: Official MLB baseball dual-signed by Mark McGwire & Sammy Sosa, Beckett Witnessed. The 1998 home run chase between McGwire and Sosa captivated baseball, with McGwire setting a then-record 70 HR and Sosa winning the 1998 NL MVP. McGwire, the 1987 AL Rookie of the Year and a 1989 World Series champion with Oakland, finished with 583 career homers, while Sosa joined the 600-HR club with 609 lifetime blasts.
Collector's Highlights:
- Athletes: Mark McGwire & Sammy Sosa
- Item: Official MLB Baseball, dual-signed; note a visible smudge in the signature as shown in photos
- Authentication: Beckett Authentication Services (BAS) Witnessed hologram #3W367258
Backed by Beckett’s Witness program, this ball comes with a tamper-proof hologram confirming the autographs were seen and recorded by a Beckett representative—key for long-term collecting confidence. While there is a smudge present, it remains a verified piece tied to the most famous home run race of the modern era, ready for any serious baseball collection.
