si145w

£1.45 Dove grey

Fluor shades viewed under long wave light.

OFNP = Optical free non phosphorised paper

PSA = Pressure sensitive adhesive

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underprint_type_2

SI145w £1.45 dove grey self-adhesive U cut security print, OFNP/PSA, two 4.5mm Novaglo blue fluor bands, type 2 backing paper (Walsall/gravure) from SAP229 cylinder W1 - Date M18L

Type 2 backing paper, inverted print from SAP229 cylinder W1 - Date M18L [20.3.18]