What this coin looks like (obverse, reverse, mint mark location, special features, etc.):
One major variety is the 1837 Coronet Head Large Cent (Penny) featuring the "Head of 1838" with beaded cords in lady liberty's hair. The difference deals with the portrait of liberty on the obverse of the coin. The "Head of 1837" liberty features plain cords in the hair whereas the "Head of 1838" features beaded cords. The differences are depicted above in the example comparison image.
Coin valuation chart: Typical coin prices, values and worth per grade or condition - in USD