Registered cover franked with 1928 40c & 1p 'Presidente' issue plus 1928 2 x 1p & 5p 'Presidente' AIR opts (SG 186, 188, 195 & 200) all tied by neat CONCEPCION CERT cds's dated 25 SEP 1932 with boxed CONCEPCION registration marking alongside. Flown on the 7th South American Flight of the 26th September 1932. Addressed to GERMANY with FRIEDRICHSHAFEN 'Zeppelin' arrival cds on reverse. (Sieger #183)