Registered cover franked with 1915 40c black & violet and 1p black & yellowish green 'Presidente' issue and 1928 1p black and green and 3 x 2p black & scarlet 'Presidente' AIR overprint issue (SG 169, 172, 200 & 200d) all tied by CONCEPCION CERT cds's dated 27 AUG 1932 with boxed 'CONCEPCION' registration marking in purple alongside. Flown on the 5th South American Flight of the 29th August 1932 with fine strike of 'VIA GRAF ZEPPELIN SANTIAGO (CHILE) - FRIEDRICHSHAFEN' Zeppelin cachet in black on front. Addressed to GERMANY with SANTIAGO cds dated 29 AUG 1932 on reverse with FRIEDRICHSHAFEN ZEPPELIN arrival mark. Very scarce. (Sieger #175A)