Rare 1933 print of London Tube map is set to fetch £45,000

The poster showing draughtsman Harry Beck's revolutionary layout of the capital's underground stations and lines was printed in August 1933.

Rare 1933 print of London Tube map is set to fetch £45,000
The poster showing draughtsman Harry Beck's revolutionary layout of the capital's underground stations and lines was printed in August 1933.