Top 10 most valuable US coins in 2013 auctions
10. 1852 Humbert $10 gold coin-$1,057,500
9. 1792 half disme-$1,145,625
8. 1783 Nova Constellatio Quint Type II-$1,175,000
7. 1796 silver dollar-$1,175,000
6. 1792 silver half disme-$1,410,000
5. 1796 silver quarter-dollar-$1,527,500
4. 1880 Coiled Hair gold $4 denomination Stella-$2,574,000
3. 1913 Liberty Head nickel-$3,172,500
2. 1804 Type I silver dollar-$3,877,500
1. 1794 Flowing Hair silver dollar-$10,016,875