FCP = Fluorescent coated paper PVAD = Polyvinyl alcohol acetate dextrin gum
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sd34

SD34 - Scotland 10p Greyish orange, FCP/PVAD, two 4.75mm phosphor bands (Harrison/photo) - Deegam S100.1.1 - S.G specialised XS52 - Stoneham SC49 - Concise S29

From cylinder 4 [20.10.76]
sd35

SD35 - Scotland 10p Greyish orange, FCP/PVAD, 4mm phosphor centre band (Harrison/photo) - Deegam S100.2.1 - S.G specialised XS53 - Stoneham SC50 - Concise S30

From cylinder 4 [23.7.80]