Can someone help identify the origin of this Ferrari style body?

I'm trying to figure out who constructed the pictured aluminum Ferrari style body. It's a LWB body and it's evocative of a 250 LWB Berlinetta, though it's certainly not an exact copy. All I know is that the body was constructed in Italy and was in America by 1970. This means that it had to have been built some time after 1957 (when this style was debuted by Ferrari / Scaglietti) but before 1970 (as it was in America by then). The rear fender profile is more square than a Scagliettti berlinetta - perhaps that could help identify the constructor. The body also has several stickers on it reading "3788 Milano" and some smaller print I can't make out. I've attached some photos. Perhaps these stickers were affixed by the builder and someone will recognize them? Or, perhaps someone knows who was building bodies with this flat-topped fender profile in that time period? Any thoughts or insight would be greatly appreciated. Thanks!
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Giving this a bump - does anyone have any idea if the sticker / tag would have been affixed by the carrosserie who built the body, or if it's some sort of customs or shipping label or ? Or, does anyone know who might have been making Ferrari style bodies in the 60s? Particularly with this unique fender profile? Any insight would be greatly appreciated! Thank you!

 

Marcel:

Thank you so much for your reply. I am told the body was purchased by Joe Marchetti in 1970 and I have spoken with people who saw the body at Joe Marchetti's in Chicago, if not in 1970, certainly "in the early 1970s". This is the best I have, but I recognize it's hearsay and may not be the "clear proof" you're seeking. I won't share the names of the people I've spoken with on a public forum, but you know how to reach me if you'd like to know. Unfortunately, that's all I have at the moment. I'm aiming for complete transparency on what I know and don't know, and I truly hope you appreciate that. Anyway, that's precisely why I posted these photos here - in the hope that someone knows more than me. I have no agenda other than definitively documenting the truth.

I'm also trying trying to get the photos enhanced in case there is a date in the fine print on the sticker, but no luck on that yet. That said, since my information, even though it comes from trustworthy / reliable sources, is, effectively, "hearsay", if you have some more definitive documentary evidence or contradictory data, I'd appreciate if you'd share it with me either publicly or privately - whichever you prefer. My only agenda here is the truth. Thank you so much for your time, Marcel, truly.

 

Marcel (and everyone),

In order to help put an end to the discussion on the origin of this body once and for all, I'm having it tested the second week in August by forensic metallurgists using x ray spectrometry. This should tell us conclusively at least when and where this body was made, even if it can't tell us by whom. More to come. I am aiming for full transparency here.

 

The metallurgists I'm working with tell me that the particular alloy used changed both over time and by country of origin - in other words I'm told that XRF technology can indicate the age of the body and at least country of origin indirectly based on the alloys used. Either way, we will be testing it against known original 50s Ferraris and more modern cars, so we'll see if the alloy used is consistent with a 50s body, a more modern body from a given decade, or something else. It may or many not be conclusive, but it can't hurt and it should be revealing regardless. Fingers crossed.

 

No, I am certainly NOT hoping to prove this body was built by Scaglietti - I am 100% certain this is not a Scaglietti body; and I would NEVER claim that it is. I know how and with whom the Scaglietti story originated, and I'm confident it was a falsehood.

All I am really hoping to do is establish what the body is and isn't. Talking with experts, I have a pretty good idea who built it, and it was certainly built in Italy (based on the customs sticker in the pictures) and likely in Modena. And, I have hearsay evidence of when and why it was built, but I have nothing more than that. If XRF can confirm say, the alloy it is built from, and when and by whom that alloy was used; then, that will go a long way to proving or disproving the stories and opinions I have now. But, at the end of the day, whatever the truth is, I will be public with it. I want to end the controversy around this body (and the car it's on) once and for all.

 

Analysis is done, but I'm still waiting on the final report. Marcel attributes this body to Mario Allegretti, and of course he'd be correct. Allegretti was at Fantuzzi and Maserati early in his career, but founded Carrozzeria Allegretti & Gentilini in 1958, and remained there until he joined Carrozzeria Sports Cars in 1963. In 1973 he left Sports Cars and founded his own Carrozzeria. So, once we have the body dated, we should be able to say conclusively which firm should be credited with the body - although regardless of which firm employed Allegretti at the time, in the end it was Mario Allegretti who did the work. So, it doesn't matter that much but I want to know for sure. More to come.