Nate, somehow when I saw your name as author on the update of this thread, I just knew that you had something precise and useful...!
Here is a scan of the original Mangusta emblem from '1076, the repros definitely vary on placement of the pins (even number). But your plot here is terrific...
My plan is to make a template first, probably grab a plastic cutting board out of the kitchen and then precisely get small hole in place (so lessen any worry about a moving drill on top of that beautiful paint).
The other option was to simply scuff the underside until the original sites were found, then do the the microdrill to avoid tearing...
But all in all, geez I wish those holes hadn't been filled (!) But if original emblems are lost, maybe better just to pretend they were never there and drill as needed.
(lastly, keeping Nate's future as a hand model 
, at least a couple locating dimensions for the 2 emblems...Btw, note that my vertical dimensions of 2"/4" are referenced to the sheet of paper which itself is aligned to the right vertical wall, they disregard the "edge of tail" line...ie. make the rectangular template and set in place, don't measure from the 'edge of tail' line...Note also that the Mangusta line is not exactly parallel with the "edge of tail" (even if just 6mm deviation across its width). Geez, what a good idea to use graph paper...
