10p Turquoise Green (Source Code: MAIL , Date Code: M22L) Backing: PB(L)-Ls
TOP RIGHT=SOURCE CODE
Source codes may be seen in the words 'ROYALMAIL at the top right of the stamp... Смотреть далее » The codes are:
MAIL: Without a code letter this is a counter sheet MBIL: z Business sheets
MEIL: Standard booklet of eight MFIL - standard booklet of four
MPIL - Prestige booklet pane LEFT OF FOREHEAD=YEAR CODE
Date codes go from 21 (2021) to 23 (2023). Backing Paper
There is repeating undulating ‘ROYALMAIL’ background in two sizes of text printed on the front of the backing paper. Types:
- Alternate pairs of lines of the repeated ‘ROYALMAIL' inverted with each other. Large lettering above the small (Type PB-Ls) - Alternate pairs of lines of the repeated ‘ROYALMAIL' inverted with each other. Small lettering above the Large (Type PB-sL)
- At 90 degrees to the stamp design: the pairs of lines can appear with the Large lettering before (as opposed to over) the small (Type PB(L)-Ls), or with the small before the - Large (Type PB(L)-sL). Print: International Security Printers Ltd.
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