A 1958 Topps Ernie Banks card number 310 has a book value of about $100.00 in near/mint -mint condition. A 1959 ToppsErnie Banks card number 350 has a book value of about $80.00 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.