Air Mail cover 1931 (16 July) "Justice for Hungary" flight envelope addressed to Norway (25.7 arrival and internally forwarded) bearing Newfoundland Air $1 blue, tied by barred cancellation and showing the two special cachets and Budapest c.d.s. (16.7) all in green; a few small imperfections, however very rare - only 20 pieces of mail were put onto the aircraft at Newfoundland. Photo