1983-present
Because copper is the chief metal in a US penny. Actually, a penny has cost more to produce than it's face value for quite some time. They make it up in dimes and quarters.
The best soil for growing mint is soil that is rich and well drained. Mint can adapt to many different soil types, so as long as it is moist and well drained the mint will thrive.
This answer is based on two assumptions: the question is regarding a United States penny and the term 'properties' is directed toward the metallic composition of the coin. According to the U.S. Mint, a penny is made up of 97.5% zinc and only a mere 2.5% copper, the reddish-brown color metal that gives a penny it's distinct appearance.
that they are mint :)
What you saw as an "E" is not a mint mark, and is actually an "F", the monogram of the coin's designer James Fraser. The mint mark on buffalo nickels is under the words FIVE CENTS. Plain (no mint mark) and "S" 1936 nickels are worth a dollar or two in average condition. "D" coins are worth slightly more.
Mintmarks for Lincoln cents are below the dates.
Circulated 1960 small dates from the Denver mint are worth about $0.25.
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.
a penny
2002 mint sets in original package have a value of $15.00 to $20.00. The penny has never had a P mint mark.
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 mint mark is below the date.
The 1947 Canadian Penny was minted by the Royal Canadian Mint in Ottawa, Ontario. Today the penny is minted in Winnipeg by the Royal Canadian Mint.
The D on a penny indicates it was made at the Denver, Colorado mint
It is worth a penny.
This is a penny made by the US mint in 1898.
The 1957 D Wheat Penny was made in Denver Colorado. The "D" is the mint mark for the Denver mint.