A 1990 Upper Deck Joe Girardi card number 304 has a book value of about .05 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.
That is a 1991 Donruss card. It is selling for about $1 on eBay.
Less than 25 cents.
10 cents
Less than a dollar.
Less than 25 cents.
Less than 10 cents.
25 cents or less.
Less than 25 cents.
Less than 25 cents.
Less than 25 cents.
Less than 25 cents.
Less than 10 cents.