Lot 4126
 
Bulgaria 1933, 1st South America Flight (Michel 294 b), registered cover flown via Berlin connecting flight to Recife, nine adhesives tied Sofia 3.5.33, red Berlin connecting flight cachet and blue Zeppelin flight cachet on front. Arrival postmark backstamp. Very Fine. Sieger 202 B €850 ($920).
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| Realized $750 |
