PPP = Phosphor coating printed over paper

PVAD = Polyvinyl alcohol acetate dextrin gum

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2p Green
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ppp4
Phosphor printed over paper (PPP)/PVAD (Harrison/photo)
Upright print from cylinder 13 [10.10.79]

PPP4 - 2p Green, PPP/PVAD (Harrison/photo) - Deegam 20.8.1 - S.G. U82 - Concise X850 - Stoneham M295
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PPP4 - 2p PPP/PVAD cylinder 13 dot block of 6
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PPP4 - 2p PPP/PVAD cylinder 13 no dot block of 6
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