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 could have a higher value.
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The 1987 Donruss No. 97 Jose Canseco, Oakland Athletics card can be found online for as low at $0.72 and as high as $11.00. The average selling price appears to be around $4.00 as of October 2014.
Less than 25 cents.
Less than 50 cents.
Less than 25 cents.
Most if not all 1990 Canseco cards are worth less than 25 cents.
Less than 25 cents.
Less than 25 cents.
Less than 25 cents.
5 cents
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.
Less than 1 dollar.