All coins come from a mint. Casino coins are sometimes solid silver.
The US Mint produces circulating coins, commemorative coins, and bullion coins for the United States.
Coins are made in a facility called a mint.
Platinum Bullion coins are produced at the Philadelphia Mint and West Point Mint.
you can get coins from the mint by ordering the coins through the us mints web site follow this link www.usmint.gov.
A 1955 US Mint set contained 22 coins. It had 2 coins from each Mint that produced coins for circulation. All US Mint sets from 1947 through 1958 are double sets.
Coins are manufactured in a mint factory.
Australian coins minted at the Melbourne Mint do not have a mintmark.
The royal mint
In 1964, the US mint was making coins primarily at two sites, Philadelphia and Denver. To distinguish the coins, the Denver coins had a D under the date. The Philadelphia coins had no mint mark.
They were coins minted by the Philidelphia mint
If your coin does not have a mint mark then it means it was minted at the Philadelphia mint. These coins are usually not as rare. However recently P mint marks were added to coins to indicate that they were made at the Philadelphia mint.