Fluor shades viewed under long wave light.

OFNP = Optical free non phosphorised paper PVA = Polyvinyl alcohol acetate gum
!

Stamps printed litho

bw63e

BW63E - Wales 63p emerald green, OFNP/PVA, two 4mm blue fluor bands (Questa/litho) - Deegam W630.1.1 - S.G specialised XWL67 - Stoneham SLWA105 - Concise W78

Two 4mm blue fluor bands from cylinders Q1Q1, Q2Q2 [23.7.96]

Stamps printed gravure

pw63e

PW63E - Wales 63p emerald green, OFNP/PVA, two 4.5mm Novaglo blue fluor bands (Walsall/gravure) - Deegam W630.2.1 - S.G specialised XW54 - Stoneham SWA109 - Concise W82

Two 4.5mm Novaglo blue fluor bands from cylinder W1 [1.7.97]