Collectible coins, often referred to as numismatic items, encompass a wide range of currencies valued for their rarity, historical significance, and condition. In the United States, one notable collectible coin is the Jefferson Nickel, particularly the 1942 variety, which is distinguished by its wartime composition of 35% silver and 56% copper, due to metal shortages during World War II. This unique feature, along with its design depicting Thomas Jefferson, has made the 1942 Jefferson Nickel a popular choice among collectors and investors alike.