This Great Britain UK William III Halfcrown from the late 17th century is a valuable addition to any coin collection. Made of 0.925 silver, this circulated coin features a shipwreck/sea salvage design. It is ungraded and uncertified, adding to its unique character. The denomination is Half Crown, and it was minted in the United Kingdom. The coin’s KM Number is 491.1, and it has a fineness of 0.925. The coin’s historical value is immense, and it represents an important time in British history. The coin’s age and unique design make it an excellent investment for collectors and enthusiasts alike.