5½p Deep violet

FCP = Fluorescent coated paper

PVAD (Dextrin) = Polyvinyl alcohol acetate dextrin gum

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fd055t

FD055t - 5.5p deep violet, FCP/PVAD, two 4.75mm screen 150 B3 phosphor bands, upright print (Cyl 2) (Harrison/photo) - Deegam 55.1.1 - S.G specialised U141 - Stoneham M155 - Concise X868

Two 4.75mm B3 phosphor bands from cylinder 2 [24.10.73]
fd055h

Centre band

fd055h_fd055hmp_value_setting

FD055h - 5.5p deep violet, FCP/PVAD, 4mm B3 screen 150 phosphor centre band, high set value, upright print (Cyls 2, 4) (Harrison/photo) - Deegam 55.2.1 - S.G specialised U142 - Stoneham M156 - Concise X869

High set value from cylinders 2, 4 [17.3.75]
fd055l_fd055lmp_value_setting

FD055l - 5.5p deep violet, FCP/PVAD, 4mm B3 screen 150 phosphor centre band, low set value, upright print (Cyls 2, 4) (Harrison/photo)

Low set value from cylinders 2, 4 [17.3.75] Out of stock
phosphor_omitted

FD055lmp - 5.5p deep violet, FCP/PVAD, phosphor omitted, low set value, upright print (Cyls 2, 4) (Harrison/photo)

Phosphor omitted, low set value from cylinder 4