1933 (August) Zeppelin 5th South America Flight, reg’d cover at 1s 3 1/2d reg’d printed matter rate, 3 diff. stamps incl. 1s tied at Dublin (16 AU 33 cds), sent to Pernambuco with Berlin connecting flight cachet and flight bs (23.VII.33), scarce origin and very fine, cert. Fourcaut (Sieger 226 B, € 250) (Image)