Here are some pictures from the "GTAm" from the Giacomo Tavoletti collection.
The "GTAm" with #1350034 seems to have a RIAR plate with nr 244 (thank you Sergio for the picture further down the thread) on the dashboard.
That means it is a very early (1968?) 105.44 type 1750 GTV...
** The latest compilation of the info and the chassisnumbers as of May 2022 can be found on page 21, in post #404 (and further).
In some of our threads here, we discussed the GTAm chassisnumbers that we know of from various sources and that could be genuime. I thought it was...