Security

This is a new speciality range of Machins. In 2009 the Royal Mail decided to add Security features to their stamps. Originally this was only going to be high value, but then they added them to the various 1st and 2nd class issues as well recognising that these were the biggest volume sellers and more likely to be forged (it was also to stop re-selling of used but un-postmarked stamps on auction sites). In the the following period of time they have changed these security printings several times and in 2010 even added the date "10" into it.
This has already become a serious area of specialist collecting and because of the changes and other factors some are already difficult to get hold of.

UPDATE: For 2011 Royal Mail have replaced "MA10 with "M11L"

We have now published an album for Security Machins which can be found HERE.




Product Image Qty.- Item Name Price
2011 GB - SGU2926 (UJD31-11) 68p Sea Green (D) 2B M11L Mrgl MNH 3

2011 GB - SGU2926 (UJD31-11) 68p Sea Green (D) 2B M11L Mrgl MNH

UJD31(11) Marginal 2B on NFCP/PSA . From Self Adhesive Sheet. Carries the iridescent Royal Mail overprint with the date code M11L. My Ref: 2011.068.01 Deegam Ref: DG680.5.1 Sheet Stamp Perf 15 x 14...
£1.94

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2011 GB - BS29 Business Sheet (2nd DLR) "B" - Top Panel of 4 2

2011 GB - BS29 Business Sheet (2nd DLR) "B" - Top Panel of 4

BS29 - M11L Date code added to the Security Overprint and different "U" Slits. The item for sale is the front panel containing 4 x 2nd Class stamps from number ?? in a series of Business Sheets....
£13.99

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2011 GB - ME5c - 12 x 2nd (FSC) Blue Sec Book M11L/MTIL CYL W4 5

2011 GB - ME5c - 12 x 2nd (FSC) Blue Sec Book M11L/MTIL CYL W4

ME5c Cylinder W4pW2 Has Walsall's Type 2 "U" security slits and iridescent underprint "MTIL" This was issued with the date "M11L" added to the Security print. Has Forestry Stewardship Council (FSC)...
£13.99

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2011 GB - BS30 Business Sheet (1st DLR) "B" - Top Panel of 4 2

2011 GB - BS30 Business Sheet (1st DLR) "B" - Top Panel of 4

BS30 Date code added to the Security Overprint and different "U" Slits. The item for sale is the front panel containing 4 x 1st Class stamps from number ?? in a series of Business Sheets. Security...
£13.99

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2011 GB - SGU2964-b11 1st Gold Single from BS30 Bus Sht MBIL MNH 4

2011 GB - SGU2964-b11 1st Gold Single from BS30 Bus Sht MBIL MNH

SGU2964 (UJD13A-11) from BS30 Date code added to the Security Overprint and different "U" Slits. The item for sale is a single 1st Class stamps from number ?? in a series of Business Sheets. Security...
£2.99

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2011 GB - BS32 Business Sheet (1st Lge DLR) "B" - Top Panel of 5 6

2011 GB - BS32 Business Sheet (1st Lge DLR) "B" - Top Panel of 5

BS32 [SB7(11)B] - MA11 Date code added to the Security Overprint and different "U" Slits. The item for sale is the front panel containing 5 x Large 1st Class stamps (SGU3034) from number ?? in a...
£14.99

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2011 GB - SGU3034 [11] 1st Lge Single from BS32 Bus Sht MBIL MNH 6

2011 GB - SGU3034 [11] 1st Lge Single from BS32 Bus Sht MBIL MNH

UJD15A [11] from BS32 Date code added to the Security Overprint and different "U" Slits. The item for sale is a single x Large 1st Class stamp from BS32 [SB7(11)B] in a series of Business Sheets....
£2.60

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2011 GB - Set of 5 Low Value Self Adhesive Machins (1p-20p) MNH 6

2011 GB - Set of 5 Low Value Self Adhesive Machins (1p-20p) MNH

SG var This sale is for a set of the five low value Security Self-Adhesive Machins issued in March 2011. Sale consists of 1p, 2p, 5p, 10p and 20p all attached to backing paper as issued. Security:...
£1.75

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2011 GB - Set of 5 Low Value Self Adhesive Machins Numbered MNH 1

2011 GB - Set of 5 Low Value Self Adhesive Machins Numbered MNH

SG var This sale is for a set of the five low value Security Self-Adhesive Machins Marginal with Sheet Numbers issued in March 2011. Sale consists of 1p, 2p, 5p, 10p and 20p all attached to backing...
£2.20

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2011 GB - Set 5 Lo Value Self Adhesive Machin PAIRS (1p-20p) MNH 5

2011 GB - Set 5 Lo Value Self Adhesive Machin PAIRS (1p-20p) MNH

SG var This sale is for a set of the five low value Security Self-Adhesive Machins issued in March 2011 as pairs - 10 stamps in all . Sale consists of 1p, 2p, 5p, 10p and 20p all attached to backing...
£3.55

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2011 GB - SGU3055 1p Maroon (D) 2B "P1" Marginal Single MNH 2

2011 GB - SGU3055 1p Maroon (D) 2B "P1" Marginal Single MNH

UJD20 Sheet "P1" Marginal Single (as image). 2B on NFCP/PSA. From Self Adhesive Sheet. No Overprint or Date Code. My Ref: 2011.001.01 Deegam Ref: DG10.29.1 Sheet Stamp Perf 15 x 14 in Gravure by De...
£0.40

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2011 GB - SGU3055 1p Maroon (D) 2B S/A CYL D1 Block (6) MNH 3

2011 GB - SGU3055 1p Maroon (D) 2B S/A CYL D1 Block (6) MNH

UJD20 Cylinder block of 6 (as image). 2B on NFCP/PSA . From Self Adhesive Sheet. No Overprint or Date Code. My Ref: 2011.001.01 Deegam Ref: DG10.29.1 Sheet Stamp Perf 15 x 14 in Gravure by De La...
£1.99

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2011 GB - SGU3056 (UJD21) 2p Dk Green (D) 2B Sheet Single MNH 5

2011 GB - SGU3056 (UJD21) 2p Dk Green (D) 2B Sheet Single MNH

UJD21 2B on NFCP/PSA . From Self Adhesive Sheet. No Overprint or Date Code. My Ref: 2011.002.01 Deegam Ref: DG20.21.1 Sheet Stamp Perf 15 x 14 in Gravure by De La Rue. Security Features: "U" Cuts....
£0.20

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2011 GB - SGU3056 (UJD21) 2p Dk Green (D) 2B Single Mrginal MNH 5

2011 GB - SGU3056 (UJD21) 2p Dk Green (D) 2B Single Mrginal MNH

UJD21 Top, Left, Right or Bottom Marginal (as available) 2B on NFCP/PSA . From Self Adhesive Sheet. No Overprint or Date Code. My Ref: 2011.002.01 Deegam Ref: DG20.21.1 Sheet Stamp Perf 15 x 14 in...
£0.25

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2011 GB - SGU3056 (UJD21) 2p Dk Green (D) 2B Colour Single MNH 2

2011 GB - SGU3056 (UJD21) 2p Dk Green (D) 2B Colour Single MNH

UJD21 Colour Single Left Marginal 2B on NFCP/PSA . Specifically available from the DLR Sheet WITHOUT Security Coding embedded in the stamp. My Ref: 2011.002.01 Deegam Ref: DG20.21.1 Sheet Stamp...
£0.75

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2011 GB - SGU3056 2p Dk Green (D) 2B CYL Block D1 (6) MNH 3

2011 GB - SGU3056 2p Dk Green (D) 2B CYL Block D1 (6) MNH

UJD21 Cylinder block of 6 (as image). 2B on NFCP/PSA . From Self Adhesive Sheet. No Overprint or Date Code. My Ref: 2011.002.01 Deegam Ref: DG20.21.1 Sheet Stamp Perf 15 x 14 in Gravure by De La...
£1.75

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2011 GB - SGU3010-11 2nd NVI Single from BS29 Bus Sht MBIL MNH 6

2011 GB - SGU3010-11 2nd NVI Single from BS29 Bus Sht MBIL MNH

SGU3010 (SGUJD12-11) M11L overprint from BS29 Date code added to the Security Overprint and different "U" Slits. The item for sale is a single 2nd Class stamps from the sheet of number ?? in a series...
£3.20

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2011 GB - SGU3010-11 2nd NVI Top Single from BS29 BS MBIL MNH 2

2011 GB - SGU3010-11 2nd NVI Top Single from BS29 BS MBIL MNH

SGU3010 - M11L from BS29 Date code added to the Security Overprint and different "U" Slits. The item for sale is a single from the front panel containing 1 x 2nd Class stamps of number ?? in a series...
£3.99

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2011 GB - BS31 Business Sheet (2nd Lge DLR) "B" - Top Panel of 5 1

2011 GB - BS31 Business Sheet (2nd Lge DLR) "B" - Top Panel of 5

BS31 - MA11 Date code added to the Security Overprint and different "U" Slits. The item for sale is the front panel containing 5 x Large 2nd Class stamps from a series of Business Sheets. My Ref:...
£18.99

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2011 GB - SGU3031-11 2nd Lge Single from BS31 Bus Sht MBIL MNH 7

2011 GB - SGU3031-11 2nd Lge Single from BS31 Bus Sht MBIL MNH

UJD14A from BS31 A single stamp from 50 x 2nd Large Light Blue Business Sheet. Date code added to the Security Overprint and different "U" Slits from a series of Business Sheets. My Ref:...
£2.22

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