1. Not a large manufacturer out of Milan. Sponsored a pro team, but so did a lot of smaller bike companies after the war. Probably had limited to no exports to the US, so indeed very rare in these parts. More general info - Ideor main

2. You will never recover the costs of chroming and painting. You are likely never to recover the cost of painting alone. So for the love of it only.

3. Although it is not on his list, I would try Giorgio. As a betting man I'd say there are good odds he may have what you want, Vintage Transfers for Motorcycles and Bicycles

Is that a steel seatpost?