1st class
Fluor shades viewed under long wave light.
DP & SP numbers are the copyright of the MBPC and are used with their permission.

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

PVA = Polyvinyl alcohol acetate gum

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

!

1st class - Gummed stamps - No U cut

DQN1r - 1st gold, OFNP/PVA, two 4.5mm Novaglo blue fluor bands, code R plus date code 10 (Vertical coil) (De La Rue/gravure) - Deegam N1.44.4 - S.G specialised UDB8

Two 4.5mm Novaglo blue fluor bands, code R plus date code 10 from vertical coil [13.5.10]

Self adhesive stamps - U cuts

1st class - No code

SI1s - 1st gold, OFNP/PSA, two 4.5mm Novaglo blue fluor bands, type 1 U cut from counter sheets (De La Rue/gravure) - Deegam N1.47.1 - S.G specialised UJD3

Two 4.5mm Novaglo blue fluor bands, type 1 U cut from self adhesive counter sheets [17.2.09]

1st class - Code B2

SI1b - 1st gold, OFNP/PSA, two 4.5mm Novaglo blue fluor bands, type 1 U cut, code B2 (Business sheet SP103) (De La Rue/gravure) - Deegam N1.47.2 - S.G specialised UJD13

Type 1 U cut, code B2 from self adhesive business sheet SP103 [31.3.09]

SI1ba - 1st gold, OFNP/PSA, two 4.5mm Novaglo blue fluor bands, type 1a U cut, code B2 (Business sheet SP103) (De La Rue/gravure) - Deegam N1.47.2a

Type 1a U cut, code B2 from self adhesive business sheet SP103

1st class - Code R

SI1r - 1st gold, OFNP/PSA, two 4.5mm Novaglo blue fluor bands, 1a U cut, code R from self adhesive coil X 10,000 (De La Rue/gravure) - Deegam N1.47.3

Two 4.5mm Novaglo blue fluor bands, type 1a U cut, code R from coils X 10,000 [16.7.09]

1st class - Code R plus date code 10

SI1r10 - 1st gold, OFNP/PSA, two 4.5mm Novaglo blue fluor bands, 1a U cut, code R plus date code 10 from self adhesive coil X 10,000 (De La Rue/gravure) - Deegam N1.47.8

Two 4.5mm Novaglo blue fluor bands, type 1a U cut, code R plus date code 10 from coils X 10,000 [7.11]

1st class - Date code 10

SI1t - 1st gold, OFNP/PSA, two 4.5mm Novaglo blue fluor bands, type 1a U cut, date code 10 from counter sheets (De La Rue/gravure) - Deegam N1.47.4

Two 4.5mm Novaglo blue fluor bands, type 1a U cut, date code 10 from self adhesive counter sheets [13.3.10]

1st class - Date code 11

SI1t1 - 1st gold, OFNP/PSA, two 4.5mm Novaglo blue fluor bands, type 1a U cut, date code 11 from counter sheets (De La Rue/gravure) - Deegam N1.47.7

Two 4.5mm Novaglo blue fluor bands, type 1a U cut, date code 11 from self adhesive counter sheets [16.11.10]

1st class - Code B2 plus date code 10

SI1c - 1st gold, OFNP/PSA, two 4.5mm Novaglo blue fluor bands, type 1a U cut, code B2 plus date code 10 (Business sheet SP125) (De La Rue/gravure) - Deegam N1.47.5

Two 4.5mm Novaglo blue fluor bands, type 1 Ua cut, code B2 plus date code 10 from self adhesive business sheet SP125 [2.3.10]

1st class - Code B2 plus date code 11

SI1d - 1st gold, OFNP/PSA, two 4.5mm Novaglo blue fluor bands, type 1a U cut, code B2 plus date code 11 (Business sheet SP?) (De La Rue/gravure)

Two 4.5mm Novaglo blue fluor bands, type 1 Ua cut, code B2 plus date code 10 from self adhesive business sheet SP? [?]

1st large - No code

SI1l - 1st gold large, OFNP/PSA, two 4.5mm Novaglo blue fluor bands, type 1 U cut from counter sheets) (De La Rue/gravure) - Deegam LN1.3.1 - S.G specialised UJD5

Type 1 U cut from self adhesive counter sheets [17.2.09]

SI1la - 1st gold large, OFNP/PSA, two 4.5mm Novaglo blue fluor bands, type 1a U cut from counter sheets) (De La Rue/gravure) - Deegam LN1.3.1a

Type 1a U cut from self adhesive counter sheets [2009]

1st large - Date code 10

SI1laa - 1st gold large, OFNP/PSA, two 4.5mm Novaglo blue fluor bands, type 1a U cut, date code 10 from counter sheets (De La Rue/gravure) - Deegam LN1.3.4

Two 4.5mm Novaglo blue fluor bands, type 1a U cut, date code 10 from self adhesive counter sheets [2010]

1st large - Date code 11

SI1lab - 1st gold large, OFNP/PSA, two 4.5mm Novaglo blue fluor bands, type 1a U cut, date code 11 from counter sheets (De La Rue/gravure) - Deegam LN1.3.5

Two 4.5mm Novaglo blue fluor bands, type 1a U cut, date code 11 from self adhesive counter sheets [2011]

1st large - Code B1

SI1lb - 1st gold large, OFNP/PSA, two 4.5mm Novaglo blue fluor bands, type 1 U cut, code B1 from business sheet SP104 (De La Rue/gravure) - Deegam LN1.3.2 - S.G specialised UJD15

Two 4.5mm Novaglo blue fluor bands, type 1 U cut, code B1 from self adhesive business sheet SP104 [31.3.09]

1st large - Code B2 plus date code 10

SI1lb2 - 1st gold large, OFNP/PSA, two 4.5mm Novaglo blue fluor bands, type 1a U cut, code B2 plus date code 10 from business sheet SP123 (De La Rue/gravure) - Deegam LN1.3.3

Two 4.5mm Novaglo blue fluor bands, type 1a U cut, code B2 plus date code 10 from self adhesive business sheet SP123 [9.3.10]

1st large - Code B2 plus date code 11

SI1lb3 - 1st gold large, OFNP/PSA, two 4.5mm Novaglo blue fluor bands, type 1a U cut, code B2 plus date code 11 from business sheet SP? (De La Rue/gravure) - Deegam LN1.3.6

Two 4.5mm Novaglo blue fluor bands, type 1a U cut, code B2 plus date code 11 from self adhesive business sheet SP? [3.11.10]