Certain quarters minted in 1976 — the year of the bicentennial — are particularly sought by collectors. Here's how to tell if you have a valuable one.

It also saw the U.S. Mint strike quarters with a bust of Washington on the obverse side, and the stately American eagle on the reverse. In the doubled die variety of this quarter, "In God we Trust ...

Unlike other quarters, none of these Bicentennial ... is distinctive, as it replaced Washington's traditional eagle reverse ...