Norris, that font of everything cycling (meant as a compliment, Norris, I am in awe of every post you write, seriously) wrote:
"However..one more won't hurt.
Anthony Kinder is correct in thinking that this Colnago is not the real deal. I am certain it is one of the following - SANNINO, or SANCINETTO, or SIMONETTO...or possibly SOMEC...if only I could remember!"
*******
Isn't that cutout the mark of SOMEC? That's my bet.
Charles Andrews SoCal
(what's amusing about that is that a somec of that period is actually a more entertaining frame, imho, than a colnago would be)