Of course Michael Francis Rizzi's baptism didn't take place in '50. That's proven not only by Vito's tombstone, but also by all the 1955 cars shown in the baptism and Great Massacre scene.
Well TB, while the props say '55, I still say '50/'51.
"Generosity. That was my first mistake." "Experience must be our only guide; reason may mislead us." "Instagram is Twitter for people who can't read."
