OCP = Original coated paper PVA = Polyvinyl alcohol acetate gum
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P217 - 8d Light turquoise, OCP/PVA, two 4.75mm screen 150 B3 phosphor bands, upright print (Cyl 3) - Deegam PD 9.2.1 - S.G specialised U21 - Stoneham M38 - Concise 739
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Two 4.75mm B3 phosphor bands from sheets cylinder 3 [6.1.69]