DP numbers are the copyright of the MBPC and are used with their permission.

OCP = Original coated paper

 PVA = Polyvinyl alcohol acetate gum
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1p Crimson
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oc14
OCP/PVA, 9.5mm screen 250 B3 phosphor bands (Harrison/photo)
Upright print from cylinders 1, 3 - Inverted print from EL1 vertical coil [15.2.71]

OC14 - 1p OCP/PVA, two 4.75mm screen 250 phosphor bands, upright print (Cyls 1, 3) - Deegam 10.2.1 - S.G. U55 - Concise X844 - Stoneham M54
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OC16 - 1p OCP/PVA, phosphor omitted (Cyl 3) - Deegam 10.2.1a - S.G. U55c - Stoneham M54a
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OC24 - 1p OCP/PVA, two 4.75mm screen 250 phosphor bands, inverted print (Vertical coil) - Deegam 10.2.2 - S.G. U55 - Stoneham M53c
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1p Crimson
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k_fc22
OCP/PVA, 9.5mm screen 150 B3 phosphor bands (Harrison/photo)
Sideways print left or right from panes DP2, DP12 - Sideways print left from G3 coil [15.2.71]

OC20a - 1p OCP/PVA, two 4.75mm screen 150 phosphor bands, sideways print right, high set value (DP2) - Deegam 10.3.1 - Stoneham M53
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OC17a - 1p OCP/PVA, two 4.75mm screen 150 phosphor bands, sideways print left, high set value (DP2) - Deegam 10.3.2 - Stoneham M53
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OC18 - 1p OCP/PVA, two 4.75mm screen 150 phosphor bands, sideways print left, high set value (DP12) - Deegam 10.3.4
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OC23 - 1p OCP/PVA, two 4.75mm screen 150 phosphor bands, sideways print left, thin value (G3 coil) - Deegam 10.3.5 - Stoneham M53f
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