PPP/PVAD - PCP/PVAD

PPP = Phosphor printed over paper

 PVAD = Polyvinyl alcohol acetate dextrin gum
PCP1 = Phosphorised coated paper (Matt)  

PCP2 = Phosphorised coated paper (Glossy)
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PPP4 - 2p Green, PPP/PVAD (Harrison/photo) - Deegam 20.8.1 - S.G specialised U82 - Stoneham M295 - Concise X850
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PPP/PVAD from cylinder 13 [10.10.79]

PC19 - PC23 - PC24 - 2p Green, PCP/PVAD, KAMPF perforation, upright print (Cyl 13) (Harrison/photo) - S.G specialised U83 - Concise X926
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PC19 PCP1, narrow set value from cylinder 13 [12.12.79] - Deegam 20.9.1 - Stoneham M303
PC24 PCP2, narrow set value from cylinder 13 - Deegam 20.9.1a - Stoneham M349
PC23 PCP1, wide set value from cylinder 13 - Deegam 20.9.1b

PC21 - 2p Green, PCP1/PVAD, APS perforation, narrow set value, upright print (Cyl 14) (Harrison/photo) - Deegam 20.9.1d
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PCP1/PVAD, APS perforation, narrow set value from cylinder 14 [?.4.82]

PC25 - 2p Green, PCP2/PVAD, KAMPF perforation, inverted print (Cyl 14) (Harrison/photo) - Deegam 20.9.2 - Stoneham M350
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PCP2/PVAD, KAMPF perforation from cylinder 14 [?.10.80]

QP1 or QP3 - 2p Green, PCP/PVAD, perforation 13.5 X 14 (Questa/litho) - Deegam 20.10.1 - S.G specialised UG4 - Stoneham LM9 - Concise X1000
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QP1 PCP/PVAD from cylinders Q1 to Q6 [21.5.80]
QP3 Perforated from gummed side

QP4 - 2p Green, PCP/PVAD, perforation 14.75 X 14 (Questa/litho) - Deegam 20.10.2 - S.G specialised UG5 - Stoneham LM29
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PCP/PVAD from cylinders Q7 to Q12 [10.7.84]