Many US coins are worth far more than you’d think. Coins with errors do make their way into circulation, and they’re worth a bundle to collectors.
An exceptionally rare coin, the 1969-S penny with doubling on the heads (obverse) side everywhere but on the mint mark is worth a bundle.
The condition does ultimately affect the value of coins. The 1969-S double-die penny can be worth $40,000 or more if it’s in particularly good condition, and some in okay condition may still be worth $10,000+.
there are two versions of this coin: the high leaf and the low leaf. In either case, an extra leaf is clearly visible on the left side of the piece of corn on the tails
There’s still a bit of a debate regarding the value of this coin. However, if you find one, you might be able to get $200 to $300, depending on the condition.
the Presidential Dollar coin was meant to have lettering on the edge, which is applied after the coin is initially struck.
Another double-die penny, the 1970-S small date has a particularly weak “Liberty” on the obverse side, and the number “7” in the date is level with the other numbers.