Pretty interesting story in the collectables space!
Their brother and mother bought the first error coin discovered in 1978 for $18,200, which would amount to roughly $90,000 today. Their parents, who operated a dairy farm, saw the coin as a financial safety net.
What makes this coin special is that
The coin, which was struck by the U.S. Mint in San Francisco in 1975, depicts President Franklin D. Roosevelt and is one of just two known to exist without its distinctive “S” mint mark.