What this coin looks like (obverse, reverse, mint mark location, special features, etc.):
The 1909 S Indian Head Cent (Penny) Mintmark is located under the wreath on the reverse of the coin as depicted in the example image above. This is also the rarest Indian Head Cent year/mint produced in terms of the total mintage figure.
Coin valuation chart: Typical coin prices, values and worth per grade or condition - in USD