1990 Score Frank Thomas rookie card number 663In 1989 Bowman only issued 484 cards in their set and the 1990 Bowman Frank Thomas Rookie card is number 320. In 1990 Score issued a Frank Thomas rookie card number 663 and this might be the card you have. A 1990 Score Frank Thomas rookie card number 663 has a book value of about $2.00 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.