This coin is a 1955 Washington Quarter, produced by the Philadelphia Mint, designated with the mint mark 'P'. As part of the Washington Quarter series, it is a popular collectible among numismatists and coin enthusiasts. The coin has a diameter of 24.3 mm, a weight of 6.25 grams, and features a denomination of 25 cents. Made of silver, it reflects the historical significance of U.S. coinage during a period when silver was commonly used. The total mintage for this year was 18,180,181 pieces, making it a relatively abundant coin in circulation. The obverse of the coin showcases a profile of George Washington, the first President of the United States, while the reverse features a majestic eagle, a symbol of freedom and strength. As with any collectible coin, the condition (grade) will significantly impact its value. Factors such as wear, luster, and any potential imperfections play a critical role in assessing its overall worth. A well-preserved example could command a higher market price, especially among collectors seeking to complete their sets or invest in silver coins.