Airlift, collection with 57 documents to the topic suitably, as well including 75 years Universal Postal Union on unmailed document with special cancel, further registered covers with single franking 2 Mark respectively 3 Mark black overprint, in total are it 29 documents from the period 1948, the rest documents are modern. Rare in this form offered object, perfect to the further Gather suited! (former starting price 1000)