The 1776–1976 ... dollars in great condition. Rarer and more unique errors, like when the wrong planchet is struck with the bicentennial quarter die, can be worth even more. Coins are graded ...

This treasure is the rare bicentennial quarter, marked by the distinctive "1776-1976 ... Flowing Hair Silver Dollar from 1794 holds the second spot for the rarest minted U. S coin, having fetched ...