Colnago Master Piú. The frame has original paint and stickers; the paint has been partially repaired and preserved in a few places. The frame was purchased from the original owner. The original owner had the paint job done by Colnago (you won't find it in any period catalog). The fork has a patina.
Center-to-top size is 58 cm, top tube center-to-center 56 cm, head tube 14.7 cm.
The bottom bracket shell has an Italian thread 36x24T.
The head tube is for a 1” fork.