1911 FIRST U.K. AERIAL POST LONDON ENVELOPE IN BRIGHT GREEN TO EASTBOURNE, SUSSEX. Fine London envelope in bright green with insert to 'Miss L. M. Croft, Matlock House, Cornfield Road, Eastbourne, Sussex', small fault upper right, with KGV 1d Downey tied superb strike 'FIRST UNITED KINGDOM/AERIAL POST/LONDON' date stamp SP 12 1911 Die 3. On reverse 'EASTBOURNE' date stamp SP 19 11. Message reads '... I am sending this to you by Aerial Post as you may like it for your collection ..'. (Ref 150727).
