U.S. and Worldwide; Zemstvo
November 6-7, 2013 and November 13, 2013
| Images | Description | Current Bid |
 | Lot #289 BULGARIA Zeppelin Flights 1933 1st SAF from Sofia to Buenos Aires, attractively franked on front only, with appropriate markings including Berlin connecting cachet, fine-v.f.  | Price Realized $450.00 |
 | Lot #290 BULGARIA Zeppelin Flights 1933 1st SAF to Brazil, attractively franked, with Berlin forwarding cachet, v.f. | Price Realized $450.00 |
