20 October 2016 - 1st class deep scarlet Machin definitive from new retail booklet of 12, in new colour. Year code M16L, source code MTIL, booklet has new font for text.
SG number U2968ea - also used for earlier printings.
In early 2017 further printings of the booklet were made with year code M17L
Exists on both types of SBP2 which we may or may not have: we don't specifically keep both but may have them at any time - please ask.
Booklets also available - see MF9a.7