Silk Escape Map, Bushire/Tehran

"Bushire on one side, displays Southwest Iran, and the Northern Persian Gulf. Tehran on the other, displays Central Iran. Originally issued to UK pilots during the Cold War. If they were shot down, these 100% silk topographical and political maps of Eastern European regions show the most convenient escape routes, including railroads, rivers, mines, swamps and more. Screened onto double-sided silk so that they could be used when wet and would not become illegible. Published by War Office 1942. This is the Fourth Edition which was revised and reproduced by Ordnance Survey in 1951. Measurement: Height is 24½ in. Width is 26½ in. Wonderful collectors items. New."""