Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Bolivia - Zeppelin Flight - 1930 (May 24 - June 6), South America Flight cover from La Paz, franked by set of six overprints/surcharge on Aviation School issue (including 1b value) and set of Zeppelin surcharges on Lloyd Aereo issue (total C.v. stamps off cover is $690), tied by special air post marking ''14.MAYO.30'', American and Bolivian flight cachet, Friedrichshafen ''6.6.30'' arrival ds on reverse, VF and rare, Sieger #60D, C.v. €1,800++, Est. $800-$1,000, Scott #C11/18, C24-26