 | A. Papadopoulos : (AE) Aeropostale 1930 / Air France 1934: The Groundbreaking South Atlantic Flights, (One Frame), AGRINIO 2022, points 95 |
 | Α. Papadopoulos : (AE) Commercial Zeppelin Letter Mail to from South America in 1936, (One Frame), HELVETIA 2022 (FIP), points 90 |
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