That attempt is made, but mint errors do exist and they can add value for collectors.
The mint is the place where the coin was made. In the US there are several. If the coin has a D next to the date, it was minted in Denver. S is for San Francisco.
The Crown (Five Shillings) was a popular coin the later part of the 19th century. They were minted in every year from 1887 to 1900.
No, such a coin was only minted in 1974 and all examples save for a few were supposed to have been melted down.
All coins have a date that they were minted, so by looking at the coin carefully, you will find the date the coin was minted.
Such a coin does not exist. The last British Halfcrown coin minted for circulation was minted in 1967. The last British Halfcrown Proof coin was minted in 1970.
The U.S. Mint has never produced a one troy ounce seated liberty coin. I can only deduce that you have a privately minted one ounce silver round that has a seated liberty design on it. These have been minted for decades and continue to be minted every year by private companies.
She was on many coins in 1972, including every circulating coin minted in Britain, Canada, and Australia.
There was no 1977 British One Pound coin minted. The first general circulation One Pound coins was minted in 1983.
Possibly a typo for a coin minted in 1773.
anywhere
Yes and no. If your coin was minted in Denver it will have a "D" mintmark, however, if your coin was minted in Philadelphia, it will have no mintmark.
There was a USA dollar coin with Susan B. Anthony's face on it. It was minted at the end of the 1970's,