Corinphila Auction 291-297 Day 2

First UK Aerial Post London-Windsor Priviledge Mail 1911 (Sept. 9): Purple card written at 'Shillelagh Camp Co. Carlow' franked with King Edward ½ d. yellow-green cancelled by "FIRST UNITED KINGDOM/AERIAL POST LONDON SP 9" to London and re-directed with "Curragh Camp 5 P.M. SP 11 - 11" (Ireland). Small corner creased at lower left, but scarce usage and destination.