Fleer did not issue baseball cards in 1980. The card you have might be from 1981.
The last year of stats would reflect the 1980 season. It is important to include the card number in your question as to narrow it down to the specific card you are inquiring about.
A 1981 Fleer Nolan Ryan card number 57 has a book value of about $5.00 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.
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