Air Mail cover 1931 (3 Apr.) two similar envelopes sent on the Calcutta to Darwin leg bearing India 1a. franking tied by despatch c.d.s., Australia 2d. tied by Darwin c.d.s. (24.4) and returned to Calcutta with another Park Street c.d.s. (25.5), with "DETAINED TILL 5TH APRIL/ENGINE OVERHAULED" and "BRITISH FLIGHT/ENGLAND-AUSTRALIA..." cachets; fine. 43 carried on this leg. Eustis 177. (2 covers) | Christie's

Lot 11

Air Mail cover 1931 (3 Apr.) two similar envelopes sent on the Calcutta to Darwin leg bearing India 1a. franking tied by despatch c.d.s., Australia 2d. tied by Darwin c.d.s. (24.4) and returned to Calcutta with another Park Street c.d.s. (25.5), with "DETAINED TILL 5TH APRIL/ENGINE OVERHAULED" and "BRITISH FLIGHT/ENGLAND-AUSTRALIA..." cachets; fine. 43 carried on this leg. Eustis 177. (2 covers)

Details

Air Mail cover 1931 (3 Apr.) two similar envelopes sent on the Calcutta to Darwin leg bearing India 1a. franking tied by despatch c.d.s., Australia 2d. tied by Darwin c.d.s. (24.4) and returned to Calcutta with another Park Street c.d.s. (25.5), with "DETAINED TILL 5TH APRIL/ENGINE OVERHAULED" and "BRITISH FLIGHT/ENGLAND-AUSTRALIA..." cachets; fine. 43 carried on this leg. Eustis 177. (2 covers)