During WWII, Grease Pencils were used to mark out strategies and troop placement on maps.
How Millions Of Secret Silk Maps Helped POWs Escape Their Captors in WWII - Atlas Obscura
Original U.S. WWII 1943 Color Silk Escape Map with Pouch - 43/C 43/D – International Military Antiques
70+ Ww2 Paratrooper Stock Illustrations, Royalty-Free Vector Graphics & Clip Art - iStock
50+ 101st Airborne Division Stock Illustrations, Royalty-Free Vector Graphics & Clip Art - iStock
Paper wrapped pencils, pencil talk
Soldier World Action Figure
WW2 Military Messenger Bag Original Soviet Army Officer Bag Field Leather Bag Maps Case 40s USSR Army Bag Rare Bag
GERMAN WW2 WEHRMACHT NCO SOLDIER MECHANICAL PENCIL FOR MAP CASE Rare
World War II-era map sparks treasure hunt in Dutch village - Los Angeles Times
2nd Armored Division Campaign Map Hell on Wheels US Army 1945 Version