OCP = Original coated paper PVA = Polyvinyl alcohol acetate gum
FCP = Fluorescent coated paper PVAD = Polyvinyl alcohol acetate dextrin gum
!
sd6_9_11

Two bands

SD6 - Scotland 3p Ultramarine, OCP/PVA, two 4.75mm screen 250 phosphor bands (Harrison/photo) - Deegam S30.1.1 - S.G specialised XS32 - Stoneham SC27 - Concise S15

From cylinder 1 [7.7.71]

SD9 Scotland 3p Ultramarine, FCP/ARABIC, two 4.75mm screen 250 B3 phosphor bands (Harrison/photo) - Deegam S30.2.1 - S.G specialised XS33 - Stoneham SC31 - Concise S15Eg

B3 phosphor from cylinder 4 [14.12.72]

SD10 - Scotland 3p Ultramarine, FCP/ARABIC, two 4.75mm screen 250 Jet phosphor bands (Harrison/photo) - Deegam S30.2.1a - Stoneham SC31a

JET phosphor from cylinder 4 [.7.73]

SD11 - Scotland 3p Ultramarine, FCP/PVA, two 4.75mm screen 150 phosphor bands (Harrison/photo) - Deegam S30.3.1 - S.G specialised XS34 - Stoneham SC33

From cylinder 1 [.1.73]
sd13_14

Centre band

SD13 - Scotland 3p Ultramarine, FCP/PVA, 4mm screen 150 phosphor centre band, normal paper (Harrison/photo) - Deegam S30.4.1 - S.G specialised XS35 - Stoneham SC34 - Concise S16

Normal paper from cylinder 8 [23.1.74]

SD13a - Scotland 3p Ultramarine, FCP/PVA, 4mm screen 150 phosphor centre band, ribbed paper (Harrison/photo) - Deegam S30.4.1b

Ribbed paper from cylinder 8 [74]

SD14 - Scotland 3p Ultramarine, FCP/PVAD, 4mm screen 150 phosphor centre band (Harrison/photo) - Deegam S30.5.1 - S.G specialised XS36 - Stoneham SC38

From cylinder 8 [23.1.74]