Oznaka civilne zaštite - operativna zona Zagreb, koju su 1991. godine kreirali I. Toth i B. Davidović. Tehnika izrade: sitotisak na svili. Svojim se izgledom oznaka razlikuje od kasnije propisanih. Na ovalnoj podlozi visine 9, a širine 5,5 centimetara, narandžaste boje u gornjem je dijelu, u dva reda,ispisano REPUBLIKA HRVATSKA, a u dnu polukružno stoje riječi CIVILNA ZAŠTITA. Centralni dio znaka zauzima istostranični trokut plave boje. Istom bojom su ispisane i riječi i otisnut obrub oko znaka....više na stranici Ljubomira Kokošara
Mark of civil protection - operational zone Zagreb, created in 1991 by I. Toth and B. Davidović. Production technique: screen printing on silk. The appearance of the mark differs from those prescribed later. The REPUBLIC OF CROATIA is written in two lines on the oval base, 9 cm high and 5.5 cm wide, in orange color in the upper part, and the words CIVIL DEFENSE are written in a semicircle at the bottom. The central part of the sign is occupied by an equilateral blue triangle. The words and the printed border around the sign are also written in the same color.