Registered cover franked with 1933 1p brown & blue green, 1p 50c emerald & blue and 2p green and sepia plus 1933 pair 4p 50c blue and 13p 50c blue green 'Zeppelin' issue (SG 459/461, 451 & 453) tied by SCIO AEREO POSTAL PARAGUAY cds's dated 14. 10. 1933 and also by various 'Zeppelin' cachets with printed registration label and nice 'POR GRAF ZEPPELIN' airmail label both on front. Flown on LZ 127 on the South American - Chicago flight, Paraguayan acceptance. Addressed to GERMANY sent via Seville with SEVILLE transit and German arrival marks on reverse. Very scarce. (Sieger #240)