Skip to main content


    Mark McGwire Single Signed 50-50-50 Game-Used Baseball. On August 20, 1998, Mark McGwire hit his 50th home run for the season, becoming the first player to hit 50 home runs 3 years in a row. The offered ONL (Coleman) baseball is from that game and is signed on the sweet spot by the mighty slugger. After the game, McGwire signed the ball and personalized it to the Cardinals hitting instructor, Dave Parker. Adding Parker #39 50-50-50, and the date 8-20-98 on the panel above the sweet spot. Signed letter from Dave Parker accompanies the baseball. LOA from PSA/DNA.

    Fees, Shipping, and Handling Description: Balls, Pucks, etc., Small (view shipping information)

    Sales Tax information  |  Terms and Conditions

    Bidding Guidelines and Bid Increments

    Glossary of Terms

    Auction Info

    Auction Dates
    Apr-May, 2008
    6th-4th Sunday-Sunday
    Internet/Mail Bids: 10
    Lot Tracking Activity: N/A
    Page Views: 347

    Buyer's Premium per Lot:
    19.5% of the successful bid (minimum $9) per lot.

    Sold for: Sign-in or Join (free & quick)

    Heritage membership

    Join Now - It's Free

    1. Past Auction Values (prices, photos, full descriptions, etc.)
    2. Bid online
    3. Free Collector newsletter
    4. Want List with instant e-mail notifications
    5. Reduced auction commissions when you resell your
    Consign now
    • Cash Advances
    • More Bidders
    • Trusted Experts
    • Over 200,000 Satisfied Consignors Since 1976
    Only 0 days left to consign to the 2018 May 10 - 11 Sports Memorabilia Catalog Auction Sports - Dallas!

    Learn about consigning with us

    Heritage auctions is more than just an auction business. They are in the 'preserving history' business as well.
    Alicia Kramer, Daughter of Jerry Kramer, five-time NFL World Champion,
    Garden City, ID
    View More Testimonials

    Video tutorial

    Getting the most out of search

    Recent auctions

    2018 February 24 - 25 Platinum Night Sports Collectibles Sports - Dallas
    2018 February 24 - 25 Platinum Night Sports Collectibles Sports - Dallas
    REALIZED $9,332,067