According to Beckett, the value of a 1968 Topps Nolan Ryan rookie card is around $300 at low book value and $500 at high book value. The true value of a baseball card can vary depending on the brand name of the card and depending on the card's condition.
When purchasing baseball cards, it’s best to shop around. The price of a Nolan Ryan card will vary depending on where the card is purchased. Online auctions allow a buyer to haggle the price, but for those who prefer to purchase cards in a sports shop, the prices will be fixed and may be a little higher than those found online.