
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
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.
Original: $179.00
-65%$179.00
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Mark McGwire & Sammy Sosa Autographed Official MLB Baseball (Smudged) Beckett BAS Witness #3W367233
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.
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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.
























