Without knowing the date, this coin has no value to a collector. So therefore it's value is face value.
The value of a penny with no mint mark is generally one cent. These pennies are the common cents that were minted in Philadelphia. Older (i.e. pre-1950) Philadelphia cents can be worth more but it depends on their date and condition.
Cents struck at the Philadelphia mint don't have a mint mark.
A penny has a value of one cent unless it is a collector's item and then it is worth more. That question is FAR too broad. To know the value of a coin you need to have its date, condition, mint mark (if applicable) and country of origin.
The complete 1963 mint set has a value of $40.
The "R" is not a mint error. It's something that was added after the coin left the mint. As such your coin is considered to be altered and is only worth face value, unfortunately.
Directly below the date. If there is no mint mark, then it's from Philadelphia.
The value of a penny with no mint mark is generally one cent. These pennies are the common cents that were minted in Philadelphia. Older (i.e. pre-1950) Philadelphia cents can be worth more but it depends on their date and condition.
Cents struck at the Philadelphia mint don't have a mint mark.
In order to give an estimate of the value of a penny, the mintmark and the date are needed. There are many, many "S" mint pennies, each with its own value.
It means that the coin was minted at the San Fransisco mint. If a penny has a D, it means the coin was minted at the Denver mint. If it has no mintmark, it was minted at the Philadelphia mint.
No mint mark means it's from Philadelphia. A penny from that year is worth around 3-10 cents on average.
$400 to $6,000
If a penny has no mint mark, it typically means it was produced by the Philadelphia Mint. Mint marks indicate where a coin was minted, and coins from the Philadelphia Mint, the oldest U.S. Mint facility, do not have a mint mark.
It's not a Penny it's a Mint medal struck on a 1 cent planchet and has no value
The lack of a mint mark means it was struck in Philadelphia, and value is 1 cent.
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.
The US mint never made pennies like this. Plus without a date it is impossible to determine the value.