The most valuable basketball card of all time is the 1948 George Mikan Bowman basketball card, which is currently valued at $218,500. According to InStash.com, it was part of the first and only set of basketball cards to reach the mainstream collectors' market until 1957.
George Mikan was one of the earliest basketball stars. He stood 6 feet, 10 inches tall and weighed in at 245 pounds. The most valuable modern basketball card, according to Infobarrel.com, is a 1986 Fleer Michael Jackson rookie card, and is valued at around $82,000. The third most valuable is an Oscar Robinson card from 1961, selling at around $25,800.