Lot 51107 – 1939 (June 24) First flight registered cover Northern Trans-Atlantic England to China mixed USA China franking

1939 (June 24) First flight registered cover, the Northern Trans-Atlantic England to China air mail flight, addressed to New York, with USA and China mixed franking, cancelled in New York 24 June, endorsed “By Pan American Airways Service via Hong Kong/Manila”, Shanghai cds dated 12 July cancelling Chinese franking, Hawaii and New York registered marks on reverse, as well as a Hong Kong transit dated 6 July, a fine and rare cover.