No these exact pics are from a video from the 1966 Mr Muscle. I believe.
Held in Cologne, Germany.
Franco competed too. Arnold did not win.
funny, i was talking about this yesterday . ( how fukked is that?)
he said the jr. mr. Europe was his first show, but he was invited. why? because he had competed prior to that. i had heard he lost more than just to chet, zane and Sergio.