Quarter and half dollar have the Denver mint mark and the half has no mint mark (Philadelphia).

The 1776-1976 Bicentennial Gold Plated Three-Coin Set consists of a Quarter, Half Dollar, and Dollar coins, all minted in 1976 in Philadelphia. These uncirculated coins are composed of gold and bear the image of John F. Kennedy on their obverse. A great addition to any coin collection, this set commemorates the 200th anniversary of the United States Declaration of Independence.