CROATIAN CENSORSHIP BANJA LUKA: violet single-line Z1 "CENZURA" (Hughes L-5a) on picture postcard to Banja Luka franked continued-use Yugoslav 1 Dinar green King Peter II 1940, single-circle KRIZEVCI 6.5.1941, subsequently censored in Banja Luka, rare censor mark, age and usage wear typical of the period.