Richie mentioned that Biemezeta was the Italian builder with the wishbone stay. Below you will see that the model was the Chronostar, which was at least made in 1985. There were other models in the guide, but I cut them for this post. Lou Deeter, Orlando FL
BIEMMEZETA: Italy, 011-39-429-780788. Tanner Cycle, Peabody MA 01960. Province of Padova, Italy. Italian threading. Investment cast lugs and bottom bracket shell. Columbus tubing.
Models:
Chronostar 85 SL (Wishbone seatstay)