Welcome to 2026 and the sensational new Series "Enigma Italiano",
Where you try to guess who built this "mystery" frame.
Questian (1) Is it Italian ?
Questian (2) How old is it?
Questian (3) Who built it?
Here are some clues
Frame is 52 cm (seat post top/ center)
Inner diameter of seatpost is 27mm
fork ends and dropouts - Campi
Headset - Campi
Seat binder bolt - Campi
brakes - Universal super 68
Frame weight (incl drive side bb cup 4.1 lb
fork weight 1.62 lb
( frame came with suntour derailleurs and down tube shifters, Sugino cranks and bb, lyotard pedals, probably all retro fits, Frame looks like it's been powder coated)
And now some pictures:

The first person with the correct answer will receive a mention in my next "Bike of the Month" article.