1978 Topps Reggie Jackson RB card number 7The "World Series card" you have was issued in 1978. A 1978 Topps Reggie Jackson 'Record Breaker' (most home runs one World Series) card number 7 has a book value of about $4.00 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.