1911 FIRST U.K. AERIAL POST LONDON ENVELOPE IN SCARLET SIGNED BY THE DESIGNER 'Warwick Lendon'. Superb used London envelope in scarlet from London addressed to a Mr Fowler of Lloyds Bank, Leeds with KGV 1d Downey cancelled superb strike 'FIRST UNITED KINGDOM/AERIAL POST/LONDON' date stamp SP 9 1911, die 3. With insert and on front very fine signature of the designer 'Warwick Lendon'. A most attractive item, illustrated page 103 of 'Letters in the Air', by Booth. (Ref 142086.)
