10½p values

FCP = Fluorescent coated paper

PVAD (Dextrin) = Polyvinyl alcohol acetate dextrin gum

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fd105y

Yellow

FD105y - 10.5p yellow, FCP/PVAD, two 4.75mm B3 phosphor bands, upright print (Cyl 1) (Harrison/photo) - Deegam 105.1.1 - S.G specialised U196 - Stoneham M210 - Concise X890

Two 4.75mm bands from cylinder 1 [25.2.76]

FD105yp - 10.5p yellow, FCP/PVAD, all over phosphor error, upright print (Cyl 1) (Harrison/photo) - Deegam 105.1.1a - S.G specialised U196a - Stoneham M210a

All over phosphor from cylinder 1
Please note: Only ever issued off centre
fd105p

Greyish blue shades

FD105p - 10.5p pale greyish blue, FCP/PVAD, two 4.75mm B3 phosphor bands, upright print (Cyl 1) (Harrison/photo) - Deegam 105.2.1 - S.G specialised U197 - Stoneham M211 - Concise X891

Pale greyish blue shade, two 4.75mm bands from cylinder 1 [26.4.78]

FD105d - 10.5p dull greyish blue, FCP/PVAD, two 4.75mm B3 phosphor bands, upright print (Cyl 1) (Harrison/photo)

Dull greyish blue shade, two 4.75mm bands from cylinder 1