20 October 2016 - 1st class deep scarlet book of 12 x 1st, with new Chevin font, and new stamp colour.
12 x 1st class Royal Mail Red booklet with new colour, source code MTIL, year code M16L
Printed by Walsall Security Printers
In December 2016 further printings of the booklet were made on covers with new type of security printing on the backing paper, this we refer to as SBP2.
SG catalogue number MF9a