Jim Allen of the Cyclesmiths in Ranchita Ca can fully tell you I would bet.
Italian Made.
Nothing to do with Alberto and the Vigorelli I am reasonably sure.
Masi USA was stated to use two Italian frame manufacturers for the lower tier models
Built for Masi USA as a subordinate model.
which model? By Whom?
there is the ask Jim part.
He might have transfers that you could purchase and he could apply.
there was a small run that were not accepted- this does not look like that group.