Authentic Waterproof Russian Fencing plate Warning Sign "ЗАРАЖЕНО" (Contaminated)
This sign was used for fencing areas contaminated with radioactive or poisonous substances. The sign itself is a 117x83(in) yellow plate, made out of waterproof material, with a with a black inscription "ЗАРАЖЕНО (contaminated)" written in Russian language. The sign is authentic, which is confirmed by an official certificate seen in the photo.
Authentic sign, made in 1983.