Some expensive rare coins are the 1913 Liberty Head V Nickel, 1870 S Liberty Seated Dollar, 1927 D St Gaudens Double Eagle and 1794 Flowing Hair Dollar. Expensive rare coins also include the 1838 O Capped Bust Half Dollar and 1933 Indian Head Gold Eagle.
The 1913 Liberty Head V Nickel, valued at an average of $3.4 million, could be worth $4.4 million in certified mint state. These coins are super rare and don't feature a mint mark. There are only five 1913 Liberty Nickels known to exist. The 1870 S Liberty Seated Dollar, valued at an average of $177,286, could be worth $1.96 million in certified mint state. In 1870, the Liberty Seated dollars first started being minted at more than one location, but the coins minted at the San Francisco mint are by far the most valuable.
The 1927 D St Gaudens Double Eagle is one of the most valuable gold coins ever issued from the U.S. mint. In average condition, the coin is valued at around $270,000. In mint certified condition, it can bring in as much as $1.2 million. With only 1,758 issued, the 1794 Flowing Hair Dollar is the first dollar coin ever issued by the U.S. government. It is an important piece of American history and is very rare.