One cent. Please check your pocket change. While all other denominations carry mint marks, the only circulating cents that bear a mint mark are from Denver. Those minted at Philadelphia (and occasionally at West Point) do not have mint marks. There is a rare proof version of a 1990 penny without a mintmark that was produced in San Fransisco which is worth anywhere from $1,000 to $2,000. Those come in a special set with a case and have a higher relief cameo with a thicker layer of copper coating.
a penny
1929 Wheat Penny; With no mint mark, in good condition is worth $0.15, uncirculated is worth $13.00. With D mint mark, in good condition is worth $0.15, uncirculated is worth $32.00. With S mint mark, in good condition is worth $0.15, uncirculated is worth $18.00. More specifics are at the Related Link
According to a 2014 coin price chart, there is no wheat penny that is worth $12,500. There is, however, a 1922 (no mint mark) wheat penny worth about $500 in circulated condition and $20,000 in mint condition. The highest price penny like this is a 1944 Steel penny that is worth $100,000 in mint condition and $4,000 in circulated condition.
The value depends on the date, mint mark, and condition. For a specific value, ask about a specific coin.
The great majority of them are worth one cent. But if you happen to have a 1955 "S" mint mark penny, I understand those are worth a fair amount of money.
It is worth face value.
a penny
It is worth 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
1930 Wheat penny: with no mint mark, in good condition is worth $0.10, uncirculated is worth $10.00. With D mint mark, in good condition is worth $0.15, uncirculated is worth 25.00. With S mint mark, in good condition is worth $0.15, uncirculated is worth $13.00.
A 1914 penny with no mint mark is worth about $1.50.
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.
Yes. $1.25 if there is no mint mark, $7.75 if it has a D mint mark, and $132.50 if it has a S mint mark.
1911 with no mint mark in good condition is worth $.20, uncirculated is worth $30.00, proof is worth $275.00.
1936 Wheat Penny: With no mint mark, in very good condition is worth $0.10, uncirculated is worth $5.00, proof is worth $135.00. With D mint mark, in very good condition is worth $0.10, uncirculated is worth $8.00. With S mint mark, in very good condition is worth $0.10, uncirculated is worth $8.00.
1929 Wheat Penny; With no mint mark, in good condition is worth $0.15, uncirculated is worth $13.00. With D mint mark, in good condition is worth $0.15, uncirculated is worth $32.00. With S mint mark, in good condition is worth $0.15, uncirculated is worth $18.00. More specifics are at the Related Link