Cover with typed 'Por avion hasta Trinidad' at top franked with 1930 10c yellow, 25c bright violet and 1b slate blue AIR issue plus 1930 25c carmine 'Death Centenary of Simon Bolivar' issue (SG 396, 398, 401 & 413) all tied by large undated MATURIN ESTADO MONAGAS 'Arms' cachets with '4 SEPT 1931' date handstamp alongside. Addressed to GERMANY with PORT-OF-SPAIN TRINIDAD transit cds on reverse.