Originally issued 3 January 2013 - 20p light green Machin definitive from counter sheets, with iridescent overprint and year code M15L, source code MAIL
A new reprint from cylinder D2, dated 10/03/15.
SG U2924 (as in previous years)
Cylinder blocks of 6
Date blocks of 8 - 10/03/15 or 01/10/15