Air Mail cover Hotel envelope endorsed "Carried on the aeroplane 'Southern Cross' from 90 Mile Beach, N.Z. to Sydney, N.S.W." bearing N.Z. 1d. tied by Waipapakauri c.d.s. plus K.G.V 2d. tied by Sydney 26th March c.d.s.; signed by Kingsford Smith, fine. 30 covers postmarked Waipapakauri and Sydney. Eustis 199