Bolivia 1930 Zeppelin & Condor Flights. 3 covers, 2 for the May 14 Europe-Pan America Zeppelin flight, 1st franked with C24+C14, to Wurttemberg, 2nd franked with C25+C15 (C24&25 both very scarce), both covers with appropriate cachets and Friedrichshafen receivers; 3rd cover is July 30 Lloyd-Condor flight franked with C27-34 complete set, addressed to Berlin, backstamped Rio di Janeiro, with Lloyd Aereo Boliviano circular cachet and 3-color Bolivia-Brasil etiquette; very attractive and scarce covers, Very Fine. Estimate  $350 - 500. $0 (Image)