United States Congress Bicentennial commemorative coins

The United States Congress Bicentennial commemorative coins are a series of commemorative coins which were issued by the United States Mint in 1989.

Legislation
The Bicentennial of the United States Congress Commemorative Coin Act authorized the production of three coins, a clad half dollar, a silver dollar, and a gold half eagle. Congress authorized the coins to commemorate the bicentennial of the United States Congress. The act allowed the coins to be struck in both proof and uncirculated finishes.

Half Dollar
The obverse of the U.S. Congress Bicentennial commemorative half dollar, designed by Patricia Lewis Verani, features a bust of the Statue of Freedom. The reverse of the coin, designed by William Woodard, features a full view of the Capitol Building surrounded by a wreath.

Dollar
The obverse of the U.S. Congress Bicentennial commemorative dollar, designed by William Woodward, features the Statue of Freedom which towers at the peak of the Capitol Dome. The reverse of the coin, also designed by Woodward, features the Mace of the House of Representatives, which resides in the House Chamber whenever the House is in session along with an eagle astride a world globe.

Half eagle
The obverse of the U.S. Congress Bicentennial half eagle, designed by John Mercanti, features a rendition of the U.S. Capitol dome. The reverse of the coin, also designed by Mercanti, features a portrait of the majestic eagle overlooking the canopy of the Old Senate Chamber.

Specifications
Half Dollar
 * Display Box Color: Gray
 * Edge: Reeded
 * Weight: 11.340 grams
 * Diameter: 30.61 millimeters; 1.205 inches
 * Composition: 92% copper; 8% nickel (Cupronickel)

Dollar
 * Display Box Color: Gray
 * Edge: Reeded
 * Weight: 26.730 grams; 0.8594 troy ounce
 * Diameter: 38.10 millimeters; 1.50 inches
 * Composition: 90% Silver, 10% Copper

Half Eagle
 * Display Box Color: Gray
 * Edge: Reeded
 * Weight: 8.359 grams; 0.2687 troy ounce
 * Diameter: 21.59 millimeters; 0.850 inch
 * Composition: 90% Gold, 3.6% Silver, 6.4% Copper