Each sheet has a graphic in the lower righthand corner showing wherein the sheet lies. Each sheet is identified by a CL followed by a two to three digit number. Map coverage in this series starts at the North pole and covers down to the equator. THIS Post war RAF sheets were printed as updates to WW2 data. There are as many as 56 different sheets in this series.
Sheets cover all of Europe, N Africa, and the Far East.
These sheets have heat sealed edges.