Description
1911 FIRST U.K. AERIAL POST WINDSOR ENVELOPE IN BRIGHT GREEN TO LONDON WITH 'WINDSOR' CANCELLATION. A good to fine WINDSOR envelope with insert in bright green, opened out for display, from Windsor to Spitalfields, London with KGV 1d Downey tied superb strike 'FIRST UNITED KINGDOM/AERIAL POST/WINDSOR' date stamp SP 16 1911 Die 2. On reverse 'CRICKLEWOOD' date stamp SP 18 11. A very scarce and attractive usage. (Ref 141317).