Airmail cover from Paraguay franked with 1927 1p orange, 1937 3p blue & orange, 1938 11p reddish brown and 1939 pair 10p violet and 100p emerald green (SG 304, 493, 501, 523 & 526) tied by CORREO AEREO ASUNCION cds's dated 4 JUL 1942. Addressed to SWITZERLAND, censored in transit in Trinidad with printed 'P.C.90 OPENED BY EXAMINER 8079' censor strip at left with 'IE/-' handstamp in purple and censored again in USA with 'EXAMINED BY 5319' censor strip at right.