wd24
OCP = Original coated paper PVA = Polyvinyl alcohol acetate gum
!

WD24 - Wales 7.5p pale chestnut, OCP/PVA, two 4.75mm B3 phosphor bands (Cyl 7) (Harrison/photo) - Deegam W75.1.1 - S.G specialised XW35 - Stoneham WA21 - Concise W24

Two 4.75mm B3 phosphor bands from cylinder 7 [7.7.71]
phosphor_omitted

WD24mp - Wales 7.5p pale chestnut, OCP/PVA, phosphor omitted (Cyl 7) (Harrison/photo) - Deegam W75.1.1 - S.G specialised XW35a - Stonehama WA21a - Concise W24Ey

Phosphor omitted from cylinder 7