So after doing a lot of searching I think I’m able to file for a 1948 case...

GGF move to USA from Bisceglie, Italy 1914
GGM moved to USA from Bisceglie, Italy 1919
They married in 1922
My GM was born 1926
GGF naturalized in USA 1936
M was born 1947 (dec 31!)
I was born 1966

So if I’m correct I ...