Zeppelin Flight. 1933 (May 29-30), Italy Return Flight registered cover from Tripoli to Toulon forwarded to Paris, franked by 3L-20L, complete Zeppelin set of six and Colonies stamp of 2.75L red orange (very scarce on cover), all tied by ''Posta Aerea Zeppelin. Tripoli. 29.5.33'', blue flight cachet, Roma ''30.V.33'' drop and Friedrichshafen the same day green arrival ds, mostly VF and rare, A. Bolaffi certificate, C.v. $3,375 (Image)