OCP/PVA - OCP/Arabic
DP numbers are the copyright of the MBPC and are used with their permission.

OCP = Original coated paper

 PVA = Polyvinyl alcohol acetate gum
!

OG1 - 0.5p OCP/Arabic, two 4.75mm screen 150 B3 phosphor bands, sideways print left (G1, G2 coils) (Harrison/photo) - Deegam 5.1.1 - S.G specialised U47 - Stoneham M47
!

Two 4.75mm B3 phosphor bands from G1, G2 multivalue coils [15.2.71]

OC1 - 0.5p OCP/PVA, two 4.75mm screen 250 B3 phosphor bands (Cyls 2, 4) (Harrison/photo) - Deegam 5.2.1 - S.G specialised U46 - Stoneham M51 - Concise X841
!

Two 4.75mm B3 phosphor bands from sheets cylinders 2, 4 [15.2.71]

OC4 or OC4a - 0.5p OCP/PVA, two 4.75mm screen 150 B3 phosphor bands, thin value (DP1) (Harrison/photo) - Stoneham M51b
!

OC4 Sideways print right from booklet pane DP1 [15.2.71] - Deegam 5.3.1
OC4a Sideways print left - Deegam 5.3.2

OC2 or OC2a - 0.5p OCP/PVA, two 4.75mm screen 150 B3 phosphor bands, thin value, upright print (DP3, 7) (Harrison/photo)
!

OC2 Narrow set value from booklet panes DP3, DP7 [15.2.71] - Deegam 5.3.3
OC2a Wide set value - Deegam 5.3.3a Out of stock (0.75)

OC2b or OC2c - 0.5p OCP/PVA, two 4.75mm screen 150 B3 phosphor bands, thin value, inverted print (DP3, 7) (Harrison/photo) - Deegam 5.3.4
!

OC2b Narrow set value from booklet panes DP3, DP7 [15.2.71]
OC2c Wide set value

OC9 or OC9a - 0.5p OCP/PVA, two 4.75mm screen 150 B3 phosphor bands, thick value (DP11) (Harrison/photo) - S.G specialised U46c - Stoneham M52
!

OC9 Sideways print right from booklet pane DP11 [14.7.71] - Deegam 5.3.5
OC9a Sideways print left - Deegam 5.3.6 Out of stock (£4.00)

OC8 - 0.5p OCP/PVA, two 4.75mm screen 150 B3 phosphor bands, thin value, sideways print left (G3 coil) (Harrison/photo) - Deegam 5.3.7
!

Two 4.75mm B3 phosphor bands, thin value from G3 multivalue coil [?.3.77]