What this coin looks like (obverse, reverse, mint mark location, special features, etc.):
1873 Silver Three Cent Pieces were struck only as Proof coins and all had a Closed style "3" in the 1873 date (The space between the two ends of the "3" were narrower). This was the final year of production for this coin type.
Coin valuation chart: Typical coin prices, values and worth per grade or condition - in USD