Corinphila Auction 291-297 Day 2

First UK Aerial Post London-Windsor Trade Advertisements 1911 (Sept. 9): Red-brown card 'From Bright & Son 164, Strand London 7/9/1911' franked with King George V ½ d. green cancelled by "FIRST UNITED KINGDOM/AERIAL POST LONDON SP 9" plus additional strike alongside, addressed to Clonallen Armagh in Ireland. Small corner crease at lower right, a fine typewritten advert card.