101ST 506TH HELMET DECAL-SPADE. $ 8.95. MUSUEM GRADE REPRODUCTION WWII US 101ST AIRBORNE 506TH PARATROOPER "SPADE" AND TICK HELMET DECAL. MADE FAMOUNS BY EASY COMPANY. HOW TO APPLY DECALS: 1. Immerse the decal in water. 2. When the decal is just moveable on the paper, remove from the water. This will take a minute or.