pn38e

Fluor shades viewed under long wave light.

OFNP = Optical free non phosphorised paper PVA = Polyvinyl alcohol acetate gum
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PN38E - Northern Ireland 38p ultramarine, OFNP/PVA, two 4.5mm Novaglo blue fluor bands (Cyl W1)(Walsall/gravure) - Deegam N380.1.1 - S.G specialised XN53 - Stoneham SLU105 - Concise NI83

Two 4.5mm Novaglo blue fluor bands from cylinder W1 [8.6.99]