Many old U.S. coins, particularly those minted before 1965, are often overlooked but can contain significant amounts of silver, giving them value based on today's silver market prices. These coins, known as 'junk silver,' are primarily valued for their silver content rather than their age or rarity. Most coins from 1964 or earlier contain 90% silver, while some half dollars from 1965 to 1970 contain 40% silver. The term 'junk silver' indicates that these coins are not considered rare collectibles, yet they can still be worth more than their face value. The value of these coins is determined by their melt value, which is influenced by the current silver price and the amount of silver they contain. For instance, $1 of 90% silver coins is approximately equal to 0.715 troy ounces of pure silver. If silver is trading at $25 per ounce, that means $1 worth of junk silver could be valued at around $17–$18. Investors often prefer junk silver for its lower premiums and ease of resale compared to larger silver bars. Experts recommend checking the dates on old coins and estimating their value based on current silver prices to decide whether to hold or sell.