This is a set of four antique maps by John Bartholomew, dating back to the 1920s. 

The maps cover different regions including the Vale of Severn, Oxford, North Yorkshire Coast, and London SW. 

The maps are in a folding format and are cloth backed except the one for London SW. They are all in very good condition for their age.

Vale of Severn Sheet 18 Coloured 
Oxford Sheet 14 Coloured
N. Yorkshire Sheet 36 Coloured

Revised 'Half Inch' Contoured Maps. Blue Cover

London SW Sheet 170 One inch map. First Published 1945. Road Corrections 1948. Ordnance Survey