Incoming cover from Great Britain franked with 1934 pair ½d green and 1½d red brown GV issue (SG 439 & 441) tied by BOURNEMOUTH machine cancel. Addressed to ANTOFAGASTA, CHILE and forwarded by airmail to a passenger on the Grace & Co. ship 'Santa Inez' anchored at PANAMA with added 1928 20c black & orange red 'Presidente' AIR overprint issue, 1931 30c magenta and 1934 1p bluish slate and 4 x 2p light blue 'International' AIR issue (SG 213a, 233, 244 & 245) all tied by CORREO AEREO ANTOFAGASTA cds's dated 3 JUL 1936 with PANAMA transit cds and purple 'GRACE LINE CRISTOBAL company arrival mark on reverse. An unusual item.