Nothing, I'm afraid. It's a privately-made trick "coin".
Please use the Search feature of this site (enter the word DOUBLE) and you will find hundreds of similar postings about these novelty items.
It's a privately manufactured novelty coin or a home made glued together kind that has no value at all.
A two-headed penny.
This is not a mint error. The coin has been altered some how, likely two halves glued together..It has no numismatic value.
Please use the Search link to check the many, many, many, MANY other posts about these fake coins.
Its worth about $2.
It's worth about two cents for the copper.
There are no 3 headed quarters minted by the U.S. Mint.
two dollars
PENNY, not "penney". Penney's is a department store chain. Also it has to be either a two cent piece or a penny but not both. A penny is worth one cent so a "two cent penny" is not a meaningful description. Please see the Related Questions for possible answers depending on what you have.
It's worth two cents for the copper.
Two pennIes
The nature of the minting process is such that a two-headed coin cannot be produced. What you have is a joke, or "magic" coin made by combining the heads of two different nickels. As a novelty, it is worth a couple of dollars.