Another word for mint condition is mint state. The abbreviation MS is used when grading coins. If you coin has very little scratches, dirt, or other ware it could be in mint condition.
All pennies from 1944 have the wheat ear reverse.
It depends greatly on the year and condition. Without knowing those 2 things, it is impossible to tell if you have a 3 cent coin or a $300 coin.
The 1939 penny is worth around 15-50 cents if it's circulated, while the 1941 nickel is worth about 50 cents to $1 in circulated condition. Their value may increase if they are in better condition or have specific mint marks.
A mintmark is a small identification mark used to tell which mint it was made in.
So many were made, 3 to 5 cents on average.
The mint mark on the Lincoln cent is under the date on the obverse of the coin, it can only be a "D" or "S" no other mint marks are used.
I'm a big coin collector and I'm going to to tell your the value of a 1945 penny in good condition! Good condition could be valued at about $0.05. Vg
Penny coins from 1955 are generally not considered rare or valuable unless they have specific mint errors or are in exceptionally good condition. You can consult coin collecting books or websites to check for any rare varieties or take the coin to a professional coin dealer for evaluation.
In circulated condition, a 1993 D penny is typically only worth face value (1 cent). If it is in mint condition or has a rare error, it could be worth more to collectors.
The U.S. Mint does not use P mintmarks on one cent coins. A 1943 Lincoln cent without a mintmark was struck at the Philadelphia Mint.
I'm not sure what you mean by "base" penny. Anyway, values for the 3 mints are: No mint mark - retail would be about $1 in average circulated condition. H mint mark - $2 to $3 KN mint mark - $15. These prices increase significantly if the coin is not heavily worn.
Those letters are mintmarks that tell where the coin was minted. S means it was minted in the San Francisco Mint.