Bartholomew's Revised Half Inch to Mile Series - Essex - England & Wales Sheet 26 (C1)
The map is paper mounted on cloth (but not dissected), Price 4/- Net. The cover has sheet codes "C.1" and "Eng 26", the latter being the old designation for the England & Wales series.
Scale of 10 miles = 128.1mm, or 2.0 miles/inch, ie 1:126,720.
Still has symbol for Aerodrome, and a few are marked. No printing code.
John Bartholomew & Sons Ltd. Cartographers by Appointment to the King.