Pratt and Whitney  Double Wasp cylinder head World War Two.I believe this is a Pratt And Whitney R-2800 Double Wasp cylinder head It has been converted into a lamp. It is in good shape considering that it is at least 75 years old. Great for an aviation collector. I would suggest that you come and see it before bidding. I will not ship this. Local pickup only.  It comes with the stand also. Sold as is.