What this coin looks like (obverse, reverse, mint mark location, special features, etc.):
One major variety is the 1831 Coronet Head Large Cent with medium sized letters on the reverse of the coin. The difference between the large letters vs medium letters are depicted below in the example comparison image of the coins. Also note the distance and alignment of the letters compared to the wreath:
Coin valuation chart: Typical coin prices, values and worth per grade or condition - in USD