Bartholomew's Revised Half Inch Map - Essex - Great Britain Sheet 16
The map is on paper, Price 3/- Net. Both the cover and the map only refer to sheet 16.
No symbol for Aerodrome, and none marked.
Scale correct at 10 miles = 126.5mm, or 2.0 miles/inch, ie 1:126,720.
More details on Bartholomew's maps are on the Publisher's page.
No printing code, but within the acknowledgement to the Ordnance Survey it states "... to date of publication. July 1951."
John Bartholomew & Sons Ltd. By Appointment to the Late King George V.