The 1866 5C Rays Shield Nickel is a circulated coin from the United States minted in 1866 in Philadelphia. This particular coin is composed of 75% copper and 25% nickel, making it a piece of history with a unique blend of metals. The coin features the iconic Shield design and is uncertified, adding to its collectible value for numismatists interested in US coins from this era. Its historical significance and notable composition make it a sought-after piece for collectors of American numismatics.