细节
Air Mail cover 1919 (14 June) Handley-Page attempt, 2c. card from Admiral Sir Mark Kerr (flight leader) to his daughter in London, bearing $1 on 15c. with small part of obliterator and showing Harbour Grace c.d.s. below, oval-framed "ATLANTIC AERIAL MAIL/HANDLEY PAGE." d.s. for 7 July added after the plane crashed at Parrsboro'. Photo