si1880

£1.88 Sapphire blue

Fluor shades viewed under long wave light.

OFNP = Optical free non phosphorised paper

PSA = Pressure sensitive adhesive

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Walsall - Self adhesive stamps date M13L

si1880w_code-m13l

SI1880w - £1.88p sapphire blue self adhesive U cut security print, OFNP/PSA, two 4.5mm Novaglo blue fluor bands, date M13L (SAP178 cylinder W1) (Walsall/gravure) - Deegam 18880.1.1 - Stoneham CSY188 - Concise U2936

Date M13L from self adhesive sheets cylinder W1 [27.3.13]

De La Rue - Self adhesive stamps date MA13

si1880d_code-ma13

SI1880d - £1.88p sapphire blue self adhesive U cut security print, OFNP/PSA, two 4.5mm Novaglo blue fluor bands, date MA13 (SAP182 cylinder D1) (De La Rue/gravure) - Deegam 1880.2.2 - Stoneham CSY188A

Date MA13 from self adhesive sheets cylinder D1 [12.4.13]