Product - see also detailed description
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
Booklets also available - see MF9a.7