Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - San Marino - Zeppelin Flight - 1933 (May 29-June 7), Italy and 2nd South America Flight cover, franked by two values, including Zeppelin surcharge 12L on 2L yellow brown, pale green ''CITTA'' and violet Italian flight markings, Rome ''29.V.33'' machine transit and Rio de Janeiro ''7.JUN.933'' receiver along with ''Via Condor- Zeppelin'' four line hs, mostly VF and rare, this double flight item is not listed in Sieger, Michel #304Cg, C.v. €700, Est. $500-$600, Scott #148, C14