Fluor shades viewed under long wave light.
DP numbers are the copyright of the MBPC and are used with their permission.

OFNP = Optical free non phosphorised paper PVA = Polyvinyl alcohol acetate gum
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Northern Ireland 1st (3d design)

WNP3 - Northern Ireland 1st class (3d design), two 6.5mm Novaglo blue fluor bands (Miniature sheet DMS23) (De La Rue/gravure) - Deegam NN1.1.1 - Stoneham PUDW1stD

Gravure print from 50th Anniversary of Regional Stamps miniature sheet DMS23 [29.9.08]

WNP3l - Northern Ireland 1st class (3d design), two 6.5mm Novaglo blue fluor bands (DP391, 393) (De La Rue/litho) - Deegam NN1.2.1 - S.G specialised XN82 - Stoneham PUDW1stA - Concise NI154

Litho print from 50th Anniversary of Regional Stamps prestige panes DP391, DP393 [29.9.08]

Northern Ireland 1st (6d design)

WNP6 - Northern Ireland 1st class (6d design), two 6.5mm Novaglo blue fluor bands (Miniature sheet DMS23) (De La Rue/gravure) - Deegam NN1.3.1 - Stoneham PUDW1stF

Gravure print from 50th Anniversary of Regional Stamps miniature sheet DMS23 [29.9.08]

WNP6l - Northern Ireland 1st class (6d design), two 6.5mm Novaglo blue fluor bands (DP391, 393) (De La Rue/litho) - Deegam NN1.4.1 - S.G specialised XN84 - Stoneham PUDW1stC - Concise NI156

Litho print from 50th Anniversary of Regional Stamps prestige panes DP391, DP393 [29.9.08]

Northern Ireland 1st (1/3 design)

WNP13 - Northern Ireland 1st class (1/3 design), two 6.5mm Novaglo blue fluor bands (Miniature sheet DMS23) (De La Rue/gravure) - Deegam NN1.5.1 - Stoneham PUDW1stE

Gravure print from 50th Anniversary of Regional Stamps miniature sheet DMS23 [29.9.08]

WNP13l - Northern Ireland 1st class (1/3 design), two 6.5mm Novaglo blue fluor bands (DP391, 393) (De La Rue/litho) - Deegam NN1.6.1 - S.G specialised XN83 - Stoneham PUDW1stB - Concise NI155

Litho print from 50th Anniversary of Regional Stamps prestige panes DP391, DP393 [29.9.08]