Stamp commemorating the First Aerial Mail, Great Britain to Australia, November - December 1919, fine mint with selvedge, 12 November - 10 December, 1919, 'First Aerial post / England/ Australia' 'Ross Smith' vignette with margins, very fresh, unhinged, to mark the epic journey flown by Ross Smith, Keith Smith, Jim Bennett & Wally Shiers on their winning flight