This is known as an "unstruck" or "blank" planchet error. With all the pennies that get struck each year, this error is actually relatively common. You can buy these at most coin shows for a dollar or less.
A penny minted in 2013 is worth a penny, or 1 cent.
1¢. The extra letters were added privately, after the coin was minted, and that means it's considered to be an altered or damaged coin.
Well it depends. There is a 1970 penny that can either be worth 60 bucks or just 35 cents. just to the difference of the size of the seven in the date. Also if they have mistakes only then they would worth something. But besides that, a penny frankly is just worth a penny.
A penny was worth a penny 1D in old money , there was 240 pennys to a pound.
Take it to a collector
Around $20.00 for a minor mis struck error.
Circulated, about $1000. Uncirculated, $5000 - $7500
The coin needs to be seen for an accurate assessment, take it to a coin dealer. It could be worth as much as $30.00
The coin is only one cent, the counter stamped date adds nothing to the value.
250$ not a penny more
It's worth one penny.
A wheat penny is worth about $1,000,000