Incoming registered airmail cover from CHILE franked with 1929 pair 40c black & violet 'Presidente' issue, 20c black & orange red 'Presidente' AIR overprint issue and 1934 50c sepia, 1p bluish slate and 2p light blue 'International' AIR issue (SG 186, 213, 240 & 244/245) tied by VALPARAISO cds's dated 8 NOV 1937 with boxed registration marking alongside. Addressed to PORTO ALEGRE with large 'CENSURA RIO GRANDE DO SUL' censor handstamp in black on front. Transit and arrival marks on reverse.