2012 Diamond Jubilee
Fluor shades viewed under long wave light.

Royal Mail security codes for De la Rue prints

De La Rue known U cut types to date (All have cuts at sides)


De La Rue type 1


De La Rue type 1a

Solid line at top & bottom

Notched at top & bottom

OFNP = Optical free non phosphorised paper

PSA = Pressure sensitive adhesive

The U cut types listed above are my notations and not to be confused with any catalogue listings

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dj1s

1st class - No code

DJ1s - 1st diamond blue, OFNP/PSA, two 4.5mm Novaglo blue fluor bands, type 1a U cut, no code from counter sheets (Cyl D1D1) (De La Rue/gravure) - Deegam N1.50.1

Two 4.5mm Novaglo blue fluor bands, type 1a U cut, no code from self adhesive counter sheets [6.2.12]

Code B

DJ1bs - 1st diamond blue, OFNP/PSA, two 4.5mm Novaglo blue fluor bands, type 1a U cut, code B from business sheets (SP147) (De La Rue/gravure) - Deegam N1.50.2


Two 4.5mm Novaglo blue fluor bands, type 1a U cut, code B from self adhesive business sheets (SP147) [6.2.12]

DJ1bsir - 1st diamond blue, OFNP/PSA, Novaglo blue fluor left band and inset right band (I2), type 1a U cut, code B from business sheets (SP147) (De La Rue/gravure)

Novaglo blue fluor left band and inset right band (I2), type 1a U cut, code B from self adhesive business sheets SP147 [6.2.12]
wj1l

1st class large - No code

DJ1l - 1st diamond blue large, OFNP/PSA, two 4.5mm Novaglo blue fluor bands, type 1a U cut, no code from counter sheets (Cyl D1D1) (De La Rue/gravure) - Deegam LN1.5.1

Two 4.5mm Novaglo blue fluor bands, type 1a U cut, no code from self adhesive counter sheets [25.4.12]