This 1950 Proof Washington Quarter 25C is a highly collectible coin with a PF66 grade and NGC certification. The coin features a stunning strike type and is made of silver composition. The coin was minted in Philadelphia, United States, and has an unknown KM number. The coin is perfect for coin collectors and enthusiasts who are looking for a rare and valuable addition to their collection. It comes with a certification from NGC, ensuring its authenticity and quality. This coin is a must-have for any serious collector of Washington coins and is a great investment for anyone looking to add to their collection.