Martin Appel wrote:
"When did Bianchi change the style of the letters for the word "Bianchi" from the old style (as seen on: http://www.classicrendezvous.com/Italy/Bianchi/bianchi_cyclart.htm) to the modern letters (like on this one: http://www.classicrendezvous.com/Italy/Bianchi/Bianchi_S-Smith.htm)"
There was another style between the red letters and the blue block letters - a thin blue type as seen on Gimondi's bike in 1968:
http://www.wooljersey.com/gallery/album17/Gimondi
Aldo Ross
Middletown, Ohio