Centenary of Aerial Post

Issue Date - September 9, 2011

SG 3216 - Hamel receives first mail bag, 1st

SG 3217 - Hamel ready to leave Hendon, 68p

SG 3218 - Greswell's Bleriot at Windsor, £1.00

SG 3219 - Airmail delivered at Windsor, £1.10