Yes. We've covered this a few times. It is the Caproni Vizzola MCT (Monoposto Caccia Trigona) designed by Emmanuale Trigona (colonnello, Genio aeronautico, ruolo ingegneri). The three planned powerplant options for the MCT are shown. On the Reggiane 'M-18' engine, the designation is sometimes given as: Re L 103 RC 100I.