Greetings and Welcome to 2006
I have a few items on ebay right now and among them is a pair of no-date Nuovo Record cranks in the rare 177.5 size for you tall fellers (and gal) for that special bike. Those were made between 1968 and 1972 by my reckoning. See my stuff at ebay ID bobbiker.
Cheers
Bob Freeman
Seattle