INDIA 1932 Hans Bertram pair of covers with 'Bertram...

INDIA 1932 Hans Bertram pair of covers with 'Bertram Atlantis Expedition' cachets, one with 'Round the World Flight by German Seaplane' label from Calcutta (with India 1a & 3a) to Rangoon, signed by Bertram (with a second signature on reverse of a second label), the second cover (one of 24) from Sydney to Brisbane by Bertram.

Stima:€142.02

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