Bidspirit auction | Worldwide Aerophilately - Argentina

Worldwide Aerophilately - Argentina - ZEPPELIN FLIGHTS - COLLECTION: 1930-32, seven covers, three of which representing East Bound of First Pan-America around the World, one of them franked by complete Zeppelin set with blue overprint, one air mail cover with Zeppelin pre-print is bearing complete set with green overprint and three SAF of 1932, appropriate markings, minor usual folds possible, still F/VF, Sc. #C20/37