A WORLD WAR II TOP SECRET DEFENSES OF TREVIERES D-DAY INVASION MAP. Dated May 1944, the map noting key features such as bridges, roads, ground conditions and obstacles that could impact troop movements in and around the vicinity of Trevieres during the D-Day invasion (folds). Ht. 21, wd. 28 in. For further information on this lot please visit Bonhams.com For further information about this lot please visit the lot listing