ALL American pennies are one-cent coins. The two names are synonyms. A "one cent penny" is like saying "a 32 ounce quart". Please see the Related Question for values
One cent
One cent
One cent
If it is a US one cent, it is worth at least a dollar. If the condition is really nice it would be worth 5 or 10 dollars.
Please post a new, separate question with the coin's country of origin. If it says ONE CENT, it's a US Large Cent. If it says ONE PENNY, it's a British penny.
One cent
one cent
one cent
One cent.
One cent, it's only a penny
It is worth one cent.
one cent. OR $.01
One cent
One cent. That is it.
Value is one cent, or face value.
It's worth exactly one cent.
One cent