The item is manufactured by Tecno Tubo Torino of Italy which labelled products under "3ttt" brand..3T was originally called Tecnologia del Tubo Torinese (Turin Tube Technology), taking its name from the city of Turin, where it was founded in 1961 by Mario Dedioniggi. Though written 3T, it’s usually called Triple T.

Found in the 3TTT 1974 catalog, sizes in 26.0 to 27.2

Also avaliable in the Mod. Competizione wich was highly polished with a gun-metal color in flutes and upper section.