There are 3 names in this directory containing the search term manganese. Clear results.
A non-precious dark stainless metal that is not found on its own but with other metals. It has been used in alloys to strike coins, such as U.S. $1 coins, since 2000. Sometimes written using its chemical symbol of Mn.
Small dollars are coins that have been minted since 1979 that are 26.5mm in diameter. The first small dollar was the Susan B. Anthony dollar. The current dollar is made of a manganese-brass alloy and is gold in color but does not contain any precious metals.