... also Luthier, check out these dealers in old war maps. They may be able to help too:
http://www.aviation-antiques.com/maps-1.html - for example, see
(BRITISH) WAR OFFICE 1942 LE HAVRE FRANCE, the last map on page 1
http://www.maps-charts.com/Maps_war.htm - see the last map on page 1,
Skye and Outer Herbrides [Scotland], 4th ed. 1940, which is stated to be 'cloth backed'
Good luck
PPanPan