The quarter coin is a popular denomination of currency in the United States. It is 25 cents, or one-fourth of a dollar. The quarter coin has been in circulation since 1796 and is the most widely circulated coin in the United States. The quarter coin is made of a copper-nickel alloy and is 19.05 millimeters in diameter. It weighs 5.67 grams and has a reeded edge. The obverse side of the coin features a portrait of George Washington, the first President of the United States. The reverse side of the coin features an eagle with outstretched wings. The quarter coin has gone through several design changes over the years. The first quarter coins were made of silver and featured a bust of Liberty on the obverse side and an eagle on the reverse side. In 1932, the Washington quarter was introduced to commemorate the 200th anniversary of George Washington’s birth. Since then, the quarter coin has featured a variety of designs, including the 50 State Quarters Program, which featured a different design for each of the 50 states. The quarter coin is an important part of American history and culture. It is a reminder of the country’s past and a symbol of its future. Whether you’re a collector or just a casual observer, the quarter coin is an interesting and fascinating part of American history.