No mint mark means it's from Philadelphia. It's worth exactly one cent.
If it has a D mint mark it's worth 1¢ If it has an S mint mark, it WAS a proof coin worth about a $1.50, but now that it's been removed from its Mint holder, it's lost most if not all of that extra value.
With no mint mark, 25c to $5 depending on condition. With an S mint mark below the date, $1.50 to $33.
Assuming you're referring to a U.S. cent, 5¢ to 25¢ depending on condition and mint mark.
There has never been a buffalo penny issued, only nickels. Please check again and post a new question with the coin's date and mint mark.
If it has a D mint mark it's worth 1¢ If it has an S mint mark, it WAS a proof coin worth about $1.40, but now that it's been removed from its Mint holder, it's lost most if not all of that extra value.
a penny
The mint mark does not determine the value of a coin. If you have a penny and want to know what it is worth, please submit a new question and include the date on your penny as well as the mint mark.
It depends on the mint mark
A U.S. 1965 cent (not penny) was minted without a mint mark. It is a common coin. A 1965 Great Britain penny is worth 10 cents if uncirculated.
If it has a D mint mark it's worth 1¢ If it has an S mint mark, it WAS a proof coin worth about a $1.50, but now that it's been removed from its Mint holder, it's lost most if not all of that extra value.
The lack of a mint mark means it was struck in Philadelphia, and value is 1 cent.
the 1971 no mint mark penny cost 10 cents
It is worth face value.
With no mint mark, 25c to $5 depending on condition. With an S mint mark below the date, $1.50 to $33.
From $1 to $65,000 depending upon the mint mark and the condition of the coin.
1 cent, they are easily found in pocket change.
The coin is still in circulation today and is only face value