The value of multi signed baseballs cannot be priced by the value of each signature added up. Multi signed baseballs are valued as a group of signatures, and how desired that group is as a whole. This does not necessarily mean that two signatures will sell for less than one, but in most cases it does, or at least not the full value of the two signatures added up.
A Mark McGwire single signed Baseball is worth about $150.-$250. A Jose Canseco single signed baseball is worth between $40.-$50. The value of a Mark McGwire Jose Canseco dual signed baseball should be between $125.-$150.
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.
Mark McGwire single signed baseballA Mark McGwire single signed baseball is worth between $150.-$250. 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.Inscriptions such as "70" will sell for more. Personal Inscriptions like Good Luck Chuck" will sell for less.To value the baseball as Mak McGwire's "first home run as a kid" it would have to be accompanied by strong provenance from Mark McGwire, and authenticated. Otherwise you just have a used Little League baseball signed by Mark McGwire.
1989 Oakland Athletics Team Signed BaseballA 1989 Oakland Athletics team signed baseballs with the key signatures: LaRussa, Canseco, McGwire, Stewart, Parker, D. Henderson, R. Henderson, and Eckersley is worth about $500.-$700. 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. Prices may also vary based on the amount of signatures, and key signatures acquired. The more complete the baseball with key signatures the more valuable.If the signatures are not properly authenticated the baseball could sell at half the market value or less.
Jose Canseco single signed baseballA Jose Canseco single signed baseball is worth between $40.-$50.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. Add for inscriptions.If the baseball is inscribed and dated June 26 1986 by Jose Canseco it could have added value.
Jose Canseco Signed baseball cardA Jose Canseco autographed baseball card is about between $5. -$10. Prices may vary based on condition, and the type of authenticity that accompanies the signature. Signatures that have not been authenticated could sell at half the market value or less. In general, collectors of baseball cards would rather have a baseball card without the signature. The signature would be considered as a flaw in the condition of the card and will lower the value. If the signature has a lower value than the card it will lower the value of the card. The un-signed card will have a higher value.
Jose Canseco Signed baseball cardA Jose Canseco autographed baseball card is about between $5. -$10. Prices may vary based on condition, and the type of authenticity that accompanies the signature. Signatures that have not been authenticated could sell at half the market value or less. In general it doesn't matter which card is signed. Collectors of baseball cards would rather have a baseball card without the signature. The signature would be considered as a flaw in the condition of the card and will lower the value. If the signature has a lower value than the card it will lower the value of the card. The un-signed card will have a higher value.
A 1989 Oakland Athletics team signed baseballs with the key signatures: LaRussa, Canseco, McGwire, Stewart, Parker, D. Henderson, R. Henderson, and Eckersley is worth about $500.-$700. 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. Prices may also vary based on the amount of signatures, and key signatures acquired. The more complete the baseball with key signatures the more valuable. If the signatures are not properly authenticated the baseball could sell at half the market value or less. For more information on team signed baseballs, links to full team rosters, key signatures, and price guide see Related Links below.
Mark McGwire signed baseball cardYou did not include what item Mark McGwire signed from 1988. I'm going to take it that it is a 1988 baseball card.A Mark McGwire signed baseball card is worth between $50.-$75.Value is based on average prices of recently closed auctions. Prices may vary based on condition, and the type of authenticity that accompanies the signature. Signatures that have not been properly authenticated could sell at half the market value or less.It doesn't' matter too much on which card was signed. In general, collectors of baseball cards would rather have a baseball card without the signature. The signature would be considered as a flaw in the condition of the card and will lower the value of the card as a collectible. If the signature has a lower value than the card it will lower the value of the card. The un-signed card will have a higher value.
A Mark McGwire signed 8 x 10 photo is worth about $60.-$120. Price will vary based on condition, and the type of authenticity that accompanies the signature. Photo composition, and appeal will effect the price as well. Part of the value will be determined by how well the photo displays the signature. The type of ink used, and how it stands out in contrast to the photograph will also effect the price. Sharpie would be most preferred for a photo. Larger and more desired pictures could sell for more. In a recent auction a Mark McGwire signed 8 x 10 photo sold for $64.
1988 Oakland A's Team Signed BaseballA 1988 Oakland A's Team Signed Baseball with the key signatures: Canseco, McGwire, Stewart, Lansford, Eckersley, Welch, Parkeris worth about $200.-$250. 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. Prices may also vary based on the amount of signatures, and key signatures acquired. The more complete the baseball with key signatures the more valuable.If the signatures are not properly authenticated the baseball could sell at half the market value or less.
Mark McGwire was traded on July 31, 1997 from the Oakland A's to the St. Louis Cardinals.
Not MuchNot very much. An autographed baseball is what the regular price for any baseball autograph. Piggy banks and sheets of paper are only worth 10% of any baseball autograph. Mark Mcgwire's auto baseball is worth $150. - $250. dollars so that piggy bank of yours is worth 80 dollars
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.