PCP = Phosphor coated paper PVAD = Polyvinyl alcohol acetate dextrin gum
FCP = Fluorescent coated paper
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nd33

ND33 - Northern Ireland 12p yellowish green, PCP/PVAD (Cyl 1) (Harrison/photo) - Deegam N120.1.1 - S.G specialised XN41 - Stoneham U40 - Concise NI31

PCP from cylinder 1 [23.7.80]
nd37

Emerald green

left_band_i1

ND37 - Northern Ireland 12p emerald green, FCP/PVAD, 4mm 'SA' phosphor inset left band (I1) (Cyls Q1Q1, Q2Q2) (Questa/litho) - Deegam N120.2.1 - S.G specialised XNL2 - Stoneham U55 - Concise NI35

Inset left band from cylinders Q1Q1, Q2Q2 [7.1.86]
s6_i1

ND38 - Northern Ireland 12p emerald green, FCP/PVAD, 4mm 'SA' phosphor inset left bar (S6 + I1) (Cyls Q3Q3, Q4Q4) (Questa/litho) - Deegam N120.2.2 - S.G specialised XNL3 - Stoneham U55a

Inset left bar from cylinders Q3Q3, Q4Q4 [3.7.86]