1/- P.O. Tecnology, phosphor both sides

1969 P.O. Technology, Phosphor both sides, means the print kept going without one sheet of paper going through, so the .…

1/2p PCP2 MACHIN Imperforate Pair

SG X 924a 1/p PCP 2 MACHIN Imperforate pair. of the 1/2p versions, pcp2 is more common, though no imperforate error stam…

1/- Anniv MISSING PHOSPHOR

1969 SG 703y 1/- Anniversaries Missing Phosphor Cat £15

1/- PO Technology BROAD BAND Left

1969  1/- P.O. Technology Broad Band Left Cat £15 Stoneham

1/2p MACHIN PCP1 IMPERF Pair

1980 SG X924a 1/2p MACHIN PCP1 Imperforate Pair, marginal. Of the 1/2p Imperf pairs PCP1 is scarcer than PCP2 but I have…

1/3d Churchill 2 bands instead of 3

1965 1/3d Churchill phosphor shift 2 Bands instead of 3 Listed by SG but unpriced

1/3d Shakespeare 2 Bands

1964 1/3d Shakespeare 2 Bands instead of 3 unlisted error

1/6d Cathedral MISSING PHOSPHOR

1969 SG 801y 1/6d Cathedral Missing Phosphor Cat £20

1/6d Concorde MISSING PHOSPHOR

1969 SG 786y 1/6d Concorde Missing Phosphor Cat £10

1/6d Gandhi MISSING PHOSPHOR

1969 SG 807 1/6d Gandhi MISSING PHOSPHOR cat £10, which is a lot scarcer than a possitional variety which occurs on eve…

1/6d Wordsworth MISSING PHOSPHOR

1970 Literary: Wordsworth SG 828y Missing Phosphor Cat £5

12 1/2p IMPERFORATE Pair

1982, not a good year for Harrisons as printers for our Post Office. Loads of 12 1/2p imperf versions exist. phosphor un…