The 1956 Proof Washington Quarter NGC PF68 Star Coin #50752 is a highly sought-after collectible coin featuring a denomination of 25 cents. This coin is composed of 90% silver and is considered to be uncirculated, making it a valuable addition to any coin collection. Minted in Philadelphia, this United States coin is certified by NGC, ensuring its authenticity and quality. With a strike type of proof, this coin is a rare find for numismatists and collectors looking for pristine coins from the mid-20th century.