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

WD35 - Wales 15p ultramarine, PCP/PVAD (Cyl 1) (Harrison/photo) - Deegam W150.1.1 - S.G specialised XW47 - Stoneham WA44 - Concise W34

From cylinder 1 [23.7.80]

WD48 - Wales 15p light blue, FCP/PVA, 4mm 'SA' phosphor bar right of centre S3 (OR) (Questa/litho) - Deegam W150.2.1 - S.G specialised XWL11 - Stoneham WA64 - Concise W41

4mm 'SA' phosphor bar right of centre from cylinders Q1Q1, Q2Q2, Q3Q3, Q4Q4, Q5Q5, Q6Q6 [28.11.89]