The coin in question is a 1917 Standing Liberty Quarter, minted at the San Francisco Mint, denoted by the "S" mint mark. This classic silver quarter features a unique design that showcases Lady Liberty standing confidently, with her shield and olive branch, symbolizing both protection and peace. The coin is made of 90% silver and weighs 6.25 grams, with a diameter of 24.3 millimeters. The 1917 Standing Liberty Quarter is part of a series known for its artistic beauty and historical significance in American numismatics. With a mintage of just 1,952,000 pieces, this particular coin represents a relatively low production run, making it more desirable among collectors. The denomination is 25 cents, reflecting its place in currency as a quarter. Despite its age, this coin still holds value among enthusiasts and can represent both an investment and a piece of American history. Given its silver content, condition, and low mintage, the 1917 Standing Liberty Quarter is not only a collectible item but also a captivating piece of artistry from the early 20th century.