Added letters are shown below for the United States, France and Switzerland.
Because of this difference, coins produced at branch mints may be worth more or less to collectors than those from the main one, depending on their mintages.
The Royal Mint of the United Kingdom is located at Llantrisant, Wales.
The Royal Canadian Mint, based in Ottawa, has one branch in Winnipeg, Manitoba.
There was also a branch mint at Hull, Quebec, which was open for a few years.