These are replica cards like those issued to WWII soldiers to help them recognize enemy and friendly airplanes. The cards are all - weather plastic coated playing cards with each deck containing 52 Cards & 2 Jokers.
Each card has 3 views of each airplane and the name of either a friendly or enemy aircraft. They also have regular playing card markings which soldiers could use to play their favorite card games.
Dimensions: 2.5 inches x 3.5 inches