Lot 4128
 
Bulgaria 1933, 3rd South America Flight (Michel 315 a), registered postal stationery flown via Berlin connecting flight to Recife. Postage tied Sofia, Berlin connecting flight cachet and blue Zeppelin flight cachet on front, Recife arrival postmark backstamp. Very Fine. Sieger 219 Aa.
Michel €420 ($450)
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| Realized $350 |
