the Flowing Hair Silver Dollar
On October 15 in 1794, 1754 America's first coins (0.9 Ag and 0.1 Cu) were struck by Cheif Coiner Henry Voigt and it is thought that less than 130 are known to now exist. America's very first Silver Dollar, Lady Liberty with Flowing Hair on One side, and the Eagle on the other side 🦅.
Sold in 2013 for a the record sum of 10,016,875.
Read the whole story here at Wikipedia