Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Portuguese Colonies - East Africa - First Flight - 1935 (August 6), pre-printed cover from Beira to Limbe (British Nyasaland), franked by two Mozambique Company stamps, Blantyre drop and Limbe same day arrival markings on reverse, VF, Scott #158, 162