Movies Once Upon a Time in America (4hr 11min cut)

[Highway99]

So after combing through the Once Upon a Time in America chapter, Frayling's book says that Leone had 10 hours of footage, from that a 6 hour-2 volume film was edited. Then after "long fights" they ended up with a 4hr 15min cut (likely the cut in OP or close to it). That version was eventually whittled down the one we know today.

This info came from a piece in the book written by the late New York based journalist Pete Hamill and an interview with producer Arnon Milchan.