Need a lot more info. Year of Card, Name of card issuing company, condition of card, and card number. Could potentially be worth hundreds or thousands of dollars or it could be worth pennies.
A 1960 Topps Carl Yastrzemski rookie card number 148 has a book value of about $200.00 in Near Mint condition and $50.00 - $100.00 in Very Good - Excellent condition. Professionally graded cards will...
A 1973 Topps Carl Yastrzemski card number 245 has a book value of about $10.00 in Near Mint - Mint condition and about $3.00 - $5.00 in Very Good - Excellent condition. Professionally graded cards...
A 1984 Donruss Dan Quisenberry card number 583 has a book value of about .25 cents in near/mint -mint condition. Professionally graded cards will sell for more. Condition is important.
Common flaws...
Supply and Demand.
The value of baseball cards as with any other collectible is dictated by supply, and demand. The lower the number of items available on the market with the highest demand will have...
A 1971 Topps Carl Yastrzemski card number 530 has a book value of about $30.00 in Near Mint - Mint condition and $7.50 - $15.00 in Very Good - Excellent condition. Professionally graded cards will...