BCP = Bluish coated paper PVA = Polyvinyl alcohol acetate gum
OCP = Original coated paper
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P227 or P227uc - 10d drab, BCP/PVA, two 4.75mm screen 150 B3 phosphor bands, upright print (Cyl 1)
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P227 Chalk coated paper from cylinder 1 [1.7.68] - Deegam PD 11.1.1 - S.G specialised U24 - Stoneham M40 - Concise 741
P227uc Uncoated paper - Deegam PD 11.1.1a - S.G specialised U24a - Stoneham M40b - Concise 741a

P230 - 10d drab, OCP/PVA, two 4.75mm screen 250 B3 phosphor bands, upright print (Cyl 2) - Deegam PD 11.2.1a
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Two 4.75mm screen 250 B3 phosphor bands from sheets cylinder 1 [?.11.69]