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.
One major variety of the 1802 Draped Bust Large Cent (Penny) features a stemless wreath on the reverse of the coin. Typically there are two stems that extend from the bottom of the two branches. This variety does not have the stems on the wreath.