That’s why we compiled this most valuable dime error list. Knowing which errors to look for takes work. Roosevelt dimes with well-known errors can be worth so much more than their face value. Yet, dimes are not very popular among collectors because they are so common.īut don’t be too quick to dismiss this coin. Roosevelt dimes have a long history billions of these coins have been struck since 1946. Are you considering adding Roosevelt dime errors to your collection? While most errors are insignificant and not worth much, some can earn you a fortune!