What this coin looks like (obverse, reverse, mint mark location, special features, etc.):
The 1935 Buffalo Nickel had a doubled die error on the reverse of the coin. The easiest way to identify this is to notice the doubling of the letters "Five Cents" on the bottom of the coin as depicted in the image above of the Indian head nickel.
Coin valuation chart: Typical coin prices, values and worth per grade or condition - in USD