PVA = Polyvinyl alcohol acetate gum
PVAD = Polyvinyl alcohol acetate dextrin gum
!

Original coated paper - PVA gum

oc4_fg4_fc129_fd220

OC4 - 4p rust brown, OCP/PVA, two 4.75mm screen 250 B3 phosphor bands, upright print (Cyl 5) (Harrison/photo) - Deegam 40.1.1 - S.G specialised U122 - Stoneham M62 - Concise X861

Two B3 phosphor bands from cylinder 5 [15.2.71]
phosphor_omitted

OC4mp - 4p rust brown, OCP/PVA, phosphor omitted, upright print (Cyl 5) (Harrison/photo)] - Deegam 40.1.1a - S.G specialised U122a - Stoneham M62a - Concise X861Ey

Phosphor omitted from cylinder 5 [15.2.71]
oc4_fg4_fc129_fd220

Fluorescent coated paper - Gum Arabic

FG4 - 4p rust brown, FCP/Arabic, two 4.75mm screen 150 B3 phosphor bands, upright print (Cyl 4) (Harrison/photo) - Deegam 40.2.1 - S.G specialised U123 - Stoneham M75 - Concise X861Eg

Two B3 phosphor bands from cylinder 4 [31.10.72]

FG4j - 4p rust brown, FCP/Arabic, two 4.75mm screen 150 JET phosphor bands, upright print (Cyl 4) (Harrison/photo) - Deegam 40.2.1a - Stoneham M75a

Two Jet phosphor bands from cylinder 4 [6.73]

Fluorescent coated paper - PVA gum

oc4_fg4_fc129_fd220

FC129 - 4p rust brown, FCP/PVA, two 4.75mm screen 250 B3 phosphor bands, upright print (Cyl 4) (Harrison/photo) - Deegam 40.3.1 - S.G specialised U124 - Stoneham M97

Two B3 phosphor bands from cylinder 4 [18.7.73]
oc4_fg4_fc129_fd220

Fluorescent coated paper - PVAD (Dextrin) gum

FD220 - 4p rust brown, FCP/PVAD, two 4.75mm screen 150 B3 phosphor bands, upright print (Cyl 12) (Harrison/photo) - Deegam 40.4.1 - S.G specialised U125 - Stoneham M145

Two B3 phosphor bands from cylinder 12 [12.11.73]

FD221 - 4p rust brown, FCP (Glazed)/PVAD, two 4.75mm screen 150 B3 phosphor bands, upright print (Cyl 12) (Harrison/photo) - Deegam 40.4.1a - Stoneham M145a

Two B3 phosphor bands, glazed paper from cylinder 12