21 March 2017 Because of changes to postage rates two new stamps were issued:
£1.17 stamp - 20g airmail rate to Europe, 10g worldwide airmail.
£1.40 stamp - 20g airmail letter rate Worldwide
Printed by Cartor in litho - all cylinders C1, printing date 11/01/17
Sold as set of 2, singles, multiples and Cylinder and Date blocks
SG numbers changed 2018: W151 & W157