It was 1890 when the United States Congress approved the Secretary of Treasury to introduce and adopt new coinage. Silver coin with 0.900 silver and 0.100 copper Therefore, without further ado, let’s dive right in! The 1942 Mercury Dime: How Much Is it Worth Today? So, regardless of whether you’re looking for a quick history lesson, or a specific insight into the current market value of these specific coins, you’re at the right spot! In the following paragraphs, we’re going to explore one of the coins that belong to the coin series known as Mercury dimes the coin in question is the 1942 Mercury dime. Coin collectors are specially interested in the coinage system and the coin production during these times. This acts as one of the reasons why people remain highly interested in everything that was going on during those time. The fascination is remaining at the highest since the events of the World War II are still in our recent history, and regardless of whether we notice or not, we still suffer, or rather live in the aftermath of those events. The first half of the 20th century was one of the most fascinating, yet terrifying times in the human history.