U.S. most likely WWII, Signal Corps climbers LC-5, pair

U.S. most likely WWII, Signal Corps climbers LC-5, pair

U.S. most likely WWII, Signal Corps climbers LC-5, pair

U.S. most likely WWII, Signal Corps climbers LC-5, pair

U.S. most likely WWII, Signal Corps climbers LC-5, pair

U.S. most likely WWII, Signal Corps climbers LC-5, pair

U.S. most likely WWII, Signal Corps climbers LC-5, pair

U.S. most likely WWII, Signal Corps climbers LC-5, pair

U.S. most likely WWII, Signal Corps climbers LC-5, pair

U.S. most likely WWII, Signal Corps climbers LC-5, pair

U.S. most likely WWII, Signal Corps climbers LC-5, pair

U.S. most likely WWII, Signal Corps climbers LC-5, pair