FCP/PVAD - PCP/PVAD
DP numbers are the copyright of the MBPC and are used with their permission.

FCP = Fluorescent coated paper

 PVAD = Polyvinyl alcohol acetate dextrin gum

PCP1 = Phosphorised coated paper (Matt)

PCP2 = Phosphorised coated paper (Glossy)
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FD1 or FD7 - 0.5p FCP/PVAD, two 4.75mm B3 phosphor bands, thin value, upright print (Cyls 7, 8) (Harrison/photo)
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FD1 Two 4.75mm B3 phosphor bands from sheets cylinders 7, 8 [?.10.73] - Deegam 5.8.1 - S.G specialised U50 - Stoneham M105
FD7 Phosphor omitted from cylinder 7 - Deegam 5.8.1a - S.G specialised U50a - Stoneham M105a

FD18, FD18a - 0.5p FCP/PVAD, two 4.75mm B3 phosphor bands, thick value (DP11B) (Harrison/photo) - S.G specialised U50d - Stoneham M106
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FD18 Sideways print right from booklet pane DP11B [12.11.73] - Deegam 5.8.2
FD18a Sideways print left - Deegam 5.8.3

FD18w - 0.5p FCP/PVAD, 2.5mm B3 phosphor left band and 7mm right band, sideways print right (DP11B) (Harrison/photo)
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2.5mm B3 phosphor left band and 7mm right band from booklet pane DP11B [12.11.73]

FD15 - 0.5p FCP/PVAD, two 4.75mm B3 phosphor bands, thin paper, Thrissell press, sideways print right (G2 coil) (Harrison/photo) - Deegam 5.8.5 - S.G specialised U50c
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Two 4.75mm B3 phosphor bands, thin paper (Thrissell press) from G2 multivalue coil [?.4.74]

FD8, FD8a or FD9 - 0.5p FCP/PVAD, two 4.75mm B3 phosphor bands, thin value, Jumelle press, sideways print left (G1, G2, G3 coils) (Harrison/photo)
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FD8 High set value from G1, G2 coils [?.5.74] - Deegam 5.8.6 - Stoneham M107
FD8a Lower set value from G1, G2, G3 coils
FD9 High set value, phosphor omitted -Deegam 5.8.6b - Stoneham M107b

FD13 - 0.5p FCP/PVAD, 9.5mm B3 phosphor broad band centre, thin value, sideways print left (G3 coil) (Harrison/photo) - Deegam 5.8.6c - S.G specialised U50b - Stoneham M107a
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9.5mm B3 phosphor broad band centre from G3 multivalue coil [?.12.75]

FD14 - 0.5p FCP/PVAD, 9.5mm B3 phosphor broad band right, thin value, sideways print left (G3 coil) (Harrison/photo) - Deegam 5.8.6d
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9.5mm B3 phosphor broad band right from G3 multivalue coil [?.12.75]

FD2 or FD2a - 0.5p FCP/PVAD, two 4.75mm B3 phosphor bands (DP24) (Harrison/photo) - S.G specialised U50
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FD2a Sideways print left from booklet pane DP24 [10.3.76] - Deegam 5.8.7
FD2 Sideways print right - Deegam 5.8.8

FD17 - 0.5p FCP/PVAD, two 4.75mm B3 phosphor bands, varnished coating, upright print (Cyl 8) (Harrison/photo) - Deegam 5.8.10 - S.G specialised U50n - Stoneham M107c
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Two 4.75mm B3 phosphor bands, varnished coating from sheets cylinder 8 [?.6.77]

FD23 or FD23a - 0.5p FCP/PVAD, two 4mm B3 phosphor bands (DP27/A) (Harrison/photo) - S.G specialised U52 - Stoneham M108
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FD23 Sideways print right from booklet panes DP27/A [26.1.77] - Deegam 5.9.1
FD23a Sideways print left - Deegam 5.9.2

FD25, FD25a or FD25b - 0.5p FCP/PVAD, two 4mm B3 phosphor bands (DP45/A, DP51/A) (Harrison/photo) - Stoneham M109
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FD25a Sideways print right from booklet panes DP45/A [26.1.81] - DP51/A [?.?.82] - Deegam 5.9.1
FD25 Sideways print left, normal value (DP45/A only) - Deegam 5.9.3
FD25b Sideways print left, very thin value (DP45/A only)

FD29 - 0.5p FCP/PVAD, two 4mm B3 phosphor bands with left band short at bottom and full band right (DP51) (Harrison/photo) - Deegam 5.9.4 - S.G specialised U52b - Stoneham M110
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Two 4mm B3 phosphor bands with left band short at bottom and full band right (S11) from booklet pane DP51 [1.2.82]

FD30 - 0.5p FCP/PVAD, two 4mm B3 phosphor bands with full band left and right band short at bottom (DP51A) (Harrison/photo) - Deegam 5.9.5 - S.G specialised U52c - Stoneham M110
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Two 4mm B3 phosphor bands with full band left and right band short at bottom (S13) from booklet pane DP51A [1.2.82]

FD33 or FD34 - 0.5p FCP/PVAD, 4mm B3 phosphor centre band, thin value, sideways print left (G4 coil) (Harrison/photo) - S.G specialised U53 - Stoneham M111 - Concise X843
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FD33 High set value from G4 coil [14.12.77] - Deegam 5.10.1
FD34 Low set value - Deegam 5.10.1b

FD35, FD35a or FD36 - 0.5p FCP/PVAD, 4mm B3 phosphor centre band, thick value (DP31) (Harrison/photo)
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FD35 4mm centre band, sideways print left from booklet pane DP31 [8.2.78] - Deegam 5.10.2 - S.G specialised U53e - Stoneham M112
FD35a 4mm centre band, sideways print right - Deegam 5.10.3
FD36 Phosphor omitted, sideways print left - Deegam 5.10.2a - Stoneham M112a

PC1, PC3 or PC7 - 0.5p turquoise, PCP, upright print (Cyls 7, 8) (Harrison/photo) - S.G specialised U54
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PC1 PCP1, KAMPF perforation from cylinder 7 [10.12.80] - Cylinder 8 [?.11.81] - Deegam 5.11.1 - Stoneham M300
PC7 PCP2, KAMPF perforation - Deegam 5.11.1a - Stoneham M346
PC3 PCP1, APS perforation - Deegam 5.11.1b

PC4 - 0.5p turquoise, PCP1, sideways print left, Chambon (RD2 coil) (Harrison/photo) - Deegam 5.11.2 - Stoneham M300b
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Chambon press from RD2 multivalue coil [30.12.81]