CROATIAN CENSORSHIP SARAJEVO: violet single-line "USTASKA CENZURA" (modified handstamp, erroneous "Sarjvo" inscription removed), additional German Reich censorship with red roller and light grey star-shaped sealing label of foreign mail censorship office "g" (= Vienna), on window envelope to foreign destination franked 1.50 Dinara red-orange provisional 12.4.1941 and 1 Dinar green provisional 21.4.1941, altered SARAJEVO 16.7.1941 roller cancellation, rare Croatian/German double censorship, age and usage wear typical of the period.