1991 Pro Set John Elway card number 138A 1991 Pro Set John Elway card number 138 has a book value of about $1.25 in Near Mint - Mint condition. Professionally graded cards will sell for more. Condition is important.
Common flaws with football cards include: rounded edges, creases, off centered, and faded color. Any or all flaws will devalue the card significantly.