Help name the error of my coin

I found this 1954-D penny in pretty good shape but could not find the name of the error on.
Can you Help!
the coin has extra piece of copper on it then stamped on

Welcome to Numista!!
Please read this:
https://en.numista.com/forum/topic71935.html
Clear picure would be great.
perhaps you can find some infprmation here:
http://www.varietyvista.com/CONECA%20Master%20Listings.htm
http://www.lincolncentresource.com/index.html
http://www.numismedia.com/fmv/prices/lnccnt/pricesfull.shtml
http://doubleddie.com/