What this coin looks like (obverse, reverse, mint mark location, special features, etc.):
One error variety of the 1802 Draped Bust Large Cent (Penny) features the 1 over triple zeros (1/000) on the reverse of the coin. Normally the fraction is supposed to be 1/100 to denote the one cent denomination. An example image of this error is depicted above.
Coin valuation chart: Typical coin prices, values and worth per grade or condition - in USD