We believe this is a 1964 frame, with newer drivetrain components. 

"59 50640222E56" is stamped under bottom bracket.

Made in England 

Campagnolo Nuovo Record Components from Early 70's

Crank 170mm

5 Speed Freewheel

Campagnolo Record Hubs

Mafac Brakes and Levers

GB Stem

Panaracer Practice 270 Tires

Silca Frame Pump

Brooks Professional Brown Saddle

FRAME MEASUREMENTS:

Seat Tube - 62cm (Center to Top)

Top Tube - 61cm (Center to Center)