3 January 2013 - 50p slate-grey Machin definitive from counter sheets, year code M12L, source code MAIL.
The first reprint of this stamp was 23/10/17 with year code M17L and was available from Spring Stampex (14 February) 2018.
- Single stamps (or multiples)
- Cylinder block of 6
- Date block of 8
SG number U2925 (as used for earlier printing)