This is a rare and valuable 1942 D Mercury MS65FB coin made of 0.9 fineness silver. It has been certified by PCGS with certification number 48905578. The coin has a business strike type and is considered circulated. Its denomination is 10 cents and it was minted in Denver, United States. The KM number for this coin is 5039 and it is graded MS 65. This coin is a must-have for any coin collector, especially those interested in Mercury dimes.