What this coin looks like (obverse, reverse, mint mark location, special features, etc.):
One major variety is the 1824 Capped Bust Half Dollar featuring a 4 over various dates. This is most probably an 1824/2/0 date where an 1824 date was struck over 1822 which in turn was struck over an 1820 date. The various overdate is extremely and highly noticeable! The difference between the normal date vs 4 over various dates vs 4 over 1 vs 4 over 4 varieties is depicted below in the example comparison image:
Coin valuation chart: Typical coin prices, values and worth per grade or condition - in USD