The 1989 Singles Superstars set contains 3 trading cards. Raw card prices range from $2.79 to $5.00. 3 of 3 cards have current market pricing.
Source: HobbyCardIndex · Prices updated daily · https://hobbycardindex.com/sets/singles-superstars1989 Singles Superstars
Baseball ·
3 cards in set
Total Cards
3
With Prices
3