wd68
PCP = Phosphor coated paper PVAD = Polyvinyl alcohol acetate dextrin gum
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WD68 - Wales 19.5p grey green, PCP/PVAD (Cyls Q1, Q2) (Questa/litho) - Deegam W195.1.1 - S.G specialised XWL32 - Stoneham WA52 - Concise W51

From cylinders Q1, Q2 [24.2.82]