The depiction of Lady Liberty on the obverse of the coin-assumed to be the Roman god Mercury -portrays her strength and grace as she gazes off to the left. Other technical details of the coin include a weight of 2.5 g and a 17.9 mm diameter. The change was made to conserve copper for the war effort, and other military uses. Instead of mostly copper, it comprises 90% silver and only 10% copper. This 10-cent coin was minted when the country was at war and needed to conserve resources, explaining why its composition differs from other coins. The 1942 Dime is a unique coin in the world of American numismatics. Designer: Adolph A Weinman (obverse and reverse).Mint: Philadelphia, Denver, and San Francisco.So, let’s dive in and explore what makes the 1942 Dime special! The 1942 Dime Detailsīelow is a summary of the coin’s information: So, whether you’re a coin collector or just curious about the 1942 Dime, there’s a lot to learn and discover about this little coin that packs a big punch. The 1942 Dime Value and Varieties Guides.