Pennies have been used for about 1000 years and are still in use now. You may be thinking about a groat.
If it is in a sealed box, it was made for collectors.
Albion
Please check the coin again and post a new question. Great Britain has never used dollars, only pounds sterling.
It's impossible to say without knowing the coin's denomination and condition.
Ancient Rome covered the whole Mediterranean Sea area, and part of Great Britain.
This is like asking "How long is a piece of string?". You have to state which coin and describe its condition.
It is Britannia.
Great Britain discontinued the 1/2p coin in 1984 The U.S. discontinued its 1/2¢ coin in 1857
An ancient Greek king called ?Brittania (uncertain of the correct spelling)
There weren't any really - Britain's an ancient country, all accounts of discovery are mainly folklore
Please post a new question with the coin's date and country of issue. If there's no country on it, a one penny coin is most likely from Great Britain.
Briton is not a place it is the name given to the inhabitants of Britain by the Ancient Romans. Kent is a county in Southern England, a part of the island of Great Britain.