Three Second World War RAF issue "silk" escape maps
circa 1944 but un-dated, each sheet comprising two maps which are printed back to back in scale 1:1,000,000 and depict parts of China, Indonesia, modern-day Vietnam and Thailand, comprising sheets 44E-F (Sumatra, Siam and Malaya); 44J-K (French Indo China and Siam) and 44L-M (China and French Indo-China - this map, in particular, is heavily creased and misfolded), approximately 94cm x 60cm