Description
1911 FIRST OFFICIAL U.K. AERIAL POST/LONDON ENVELOPE IN BRIGHT GREEN. Fine used example of the London envelope in bright green with KGV 1d Downey addressed to Newton Abbott, cancelled good large part strike FIRST UNITED KINGDOM/AERIAL POST LONDON date stamp SP 9 1911, die unknown. With insert and writer notes "This mode of dispatching mails being the latest departure in science thought you would like to have a line by the first postage by means of aeroplane...". (Ref 114484).
