£1.45 Dove Grey Machin definitive printed by Walsall in 2018 with year code M18L. - issued on 20 March 2018
The airmail tariff for Worldwide letters to 11-20 g was increased on 26 March 2018 from £1.40 to £1.45.
Original printing on 10/01/18 with year code M18L, with phosphor glowing blue.
The first reprint on 06/02/18 has phosphor glowing blue, but the colour ink fluoresces yellow under a 254nM UV lamp.
The pictures show the P145 code on the right selvedge glowing yellow, the ROYAL MAIL text showing yellow through the iridescent layer, and a comparison of the first and second printings. Note the backing paper printing is much lighter than the original.
This further printing on 30/10/18 was made available from Royal Mail in December. This has yellow fluorescence not only in the dove-grey ink but also in the iridescent ink, as shown.
- Single stamps (or multiples)
- Cylinder blocks of 6 (please ask if out of stock)
- Date blocks of 8 (please ask if out of stock)
SG number U2943