Description
1911 FIRST U.K. AERIAL POST, LONDON EMERGENCY ENVELOPE IN BROWN USED TO CLAPHAM RISE. Good used London Emergency Envelope in brown, peripheral faults to Clapham Rise with KGV 1d red tied good strike 'FIRST UNITED KINGDOM/AERIAL POST LONDON' date stamp SP 13 1911, die 1. Insert within 'Perhaps you have not seen one of these'. (Ref 140743).