Composition (older form: 1932 - 1939): X-NN-NNN, white on black Composition (newer form: 1945 - 1954): X-NNNNN, black on white This system was introduced in Czechoslovakia in 1960.
Компарација (постара од:1932 - 1939): X-NN-NNN, бели букци на црна позадина Компарација (нова од:1945 - 1954): X-NNNNN, Црни букви на бела позадина This system was introduced in Czechoslovakia in 1960.