I'm not sure if it's unplated or not, But I believe it to be a Broadstrike struck on a nickel planchett also with ddo on the face any ideas on if that's right or it's value ?
If you're referring to the 2013-D Cent, it's been altered. First off, the copper plating has been removed; then, it was placed in a vice or squeezed, to make it larger in diameter. We see this type of alteration all the time - done out of boredom, usually. It didn't leave the Mint like that, I can assure you.
The plating can be removed in an acid bath. and then a soak to neutralize it. If the OP's coin still had the plating, it would show cracks where it was expanded. I have a 1909 VDB that is 22MM, I was told that some call them Texas Pennys. And they are not easy to make without distorting the design.
How would you get a nickel sized planchet into a penny sized hub? As for the Texas penny (I have one) I think it is put inside a leather belt, and then pounded with a rubber mallet to make it larger?
The "Texas Sized" coin is done after it is in circulation - it's not done at the Mint in a coin press. It can be placed between two pieces of leather (as mentioned above), or sometimes simply placed in a vice, between two pieces of balsa wood.
I put a 1 cent piece between two pieces of leather, put it in a 4 inch vice, tightened the vice with a 2 foot pipe until I thought it might break the vice, then pounded on the vice with a 3 pound hammer for at least two minutes. It did stretch some and was egg-shaped. It was then that I desided it would be a lot easier in a 5 ton Arbor Press. But i have not tried it that way. (yet).