Cute little cars interior is unique as the shape. There was one in the panel shop where my car was being restored 23 years ago and I watched as they repired the extensve amount of rust. The same car then appeared for sale in Australia a year or so ago asking $50K,USD. dont know what they got.
One shows up at the Chatham, NJ, Cars and Croissants meetings that I've attended I don't recall what is was badged as, though, as OTAS and others sold them.
Have seen several. Either the OTAS, the Scorpione, or Gran Prix, often with several together. Has Neuman has a Scorpione, as does Robert in NJ, Jonathan Rainey just restored one in VT and there is a lime green one that Vintage races often at PVGP.
I'm in a local Fiat 850 club in Southern California and one of the members has an OTAS version in a very period lime green color. His is a driver and gets plenty of use. Cool little cars, but very, very small. They're 850 based, with roughly the same overall dimensions as an 850 Spider.
