Certificate of the Air and Gas Defense League, on an official sheet, bearing stamps and signatures. Completed on December 3, 1938 in Skarzysko-Kamienna, certifying that P. Kuźniar Franciszek completed in Skarżysko-Kamienna a course for commanders and deputy commanders of anti-aircraft defense of residential houses.
Dimensions: 40 x 26 cm. Trace of folding, otherwise very good condition.