Reference numbers in square brackets and artists' initials are explained here
List in the back of the KEW-ILLUSTRATED GUIDE.1935 & 1936. Note Key Plan --- De luxe edition 2s.9d. Refering to the only known map advertised in covers not so far recorded. (see introduction)
201 Crown and garter. Unused design for 1:500,000 aviation Map of Great Britain, 1937. Under consideration as the new Ordnance Survey trade mark (PRO OS 1/456)
202 Crown and chamfered panel. Unused experimental standard cover design, 1937 (PRO OS 1/460)
- [a] Detail design
- [b] With minor alterations for Fifth (and Sixth?) Edition covers.
- [c] With minor alterations for a District/Tourist cover.
203 Alternative design for Aviation maps.
204 Proposal for 1;25,000 cover.
205 Design for Seventh series incorporating new arms for GviR