A Mark McGwire Sammy Sosa duel signed baseball is worth about $250.-$400. Value is based on average prices of recently closed auctions. Prices may vary based on condition, and the type of authenticity that accompanies the baseball. Signatures that have not been properly authenticated could sell at half the market value or less. The most recent auction I could find was in 2005 when a Mark McGwire Sammy Sosa duel signed baseball sold for $500. Because of the steroid issues the value of this baseball might be much lower than stated. The names Big Joey, and J.D.as they are unknown or personalized will bring the value down as well.
According to books on the value of card sets, the 1985 set of topps baseball cards with the McGwire and Clemens rookie cards is worth about $80.00. With the teroid scandels, the value has decreased over the years. It used to be well over $100.00
1987 Topps Mark McGwire rookie card number 366A 1987 Topps Mark McGwire Rookie card # 366 has a book value of about $4.00 in near/mint -mint condition. Professionally graded cards will sell for more. Condition is important. Common flaws with baseball cards include: rounded edges, creases, off centered, and faded color. Any or all flaws will devalue the card significantly
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1987 Topps Mark McGwire rookie card number 366A 1987 Topps Mark McGwire Rookie card # 366 has a book value of about $4.00 in near/mint -mint condition. Professionally graded cards will sell for more. Condition is important. Common flaws with baseball cards include: rounded edges, creases, off centered, and faded color. Any or all flaws will devalue the card significantly.
Well the babe ruth cards is between $40.00 and $50.00 the duke snider I am uncertain but like all baseball cards the only value is what someone is willing to pay for them
Less than 50 cents.
1990 Upper Deck Mark McGwire baseball card number 171A 1990 Upper Deck Mark McGwire baseball card number 171 has a book value of about $1.50 in near/mint -mint condition. Professionally graded cards will sell for more. Condition is important.Common flaws with baseball cards include: rounded edges, creases, off centered, and faded color. Any or all flaws will devalue the card significantly.
1999 Topps 'Lord of the Diamond' Mark McGwire card LD5A 1999 Topps Lord of the Diamond Mark McGwire card LD5 has a book value of about $6.00 in near/mint -mint condition. Professionally graded cards will sell for more. Condition is important.Common flaws with baseball cards include: rounded edges, creases, off centered, and faded color. Any or all flaws will devalue the card significantly.
1987 Fleer Update Mark McGwire card number 76A 1987 Fleer Update Mark McGwire card number 76 has a book value of about $5.00 in near/mint -mint condition. Professionally graded cards will sell for more. Condition is important. Common flaws with baseball cards include: rounded edges, creases, off centered, and faded color. Any or all flaws will devalue the card significantly.
The Mark McGwire 24K Gold Signature 62nd home run commemorative card issued in 1998 commemorating Mark McGwire's record breaking 62nt home run on September 8, 1998, with 62,000 made. The card was originally priced at $29.95 and sell today in the $15.-$20. price range.
1991 Topps Mark McGwire baseball card number 270A 1991 Topps Mark McGwire baseball card number 270 has a book value of about .75 cents in Near Mint - Mint condition. Professionally graded cards will sell for more. Condition is important.Common flaws with baseball cards include: rounded edges, creases, off centered, and faded color. Any or all flaws will devalue the card significantly.