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 - 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 - 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 - 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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2009 GB - SGU2911 (UJD6) 50p Light Grey (D) 2B SA Single MNH 9

2009 GB - SGU2911 (UJD6) 50p Light Grey (D) 2B SA Single MNH

SGU2911 From the first Self-Adhesive Security Machin Series with DLR version of "U" slits and hidden "ROYAL MAIL" watermark. My Ref: 2009.050.02 Stamp Detail Tag Description Issued: February...
£0.99

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2009 GB - SGU2911 (UJD6) 50p Light Grey (D) Single Marginal MNH 9

2009 GB - SGU2911 (UJD6) 50p Light Grey (D) Single Marginal MNH

UJD6 Left or Right Marginal. From the first Self-Adhesive Security Machin Series with DLR version of "U" slits and hidden "ROYAL MAIL" watermark. My Ref: 2009.050.02 Stamp Detail Tag Description ...
£1.09

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2010 GB - Single 1st Gold (W) from PM21 Olympics 1 (MAIL) MNH 5

2010 GB - Single 1st Gold (W) from PM21 Olympics 1 (MAIL) MNH

PM21 Single Gold 1st stamp from Olympics Book I. (Judo + Archery) Security: Type 2 Slits + MCIL (No date Code). My Ref: 2010.1st.GW01 SG Spec: UJWB11 (SGU2949) Issued: 07 Jan 2010 Printer: Walsall ...
£1.11

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2012 GB - SGU3273w Jubilee 1st (W) Bus Sht Single "MBND" MNH 10

2012 GB - SGU3273w Jubilee 1st (W) Bus Sht Single "MBND" MNH

SGUW36 from BS34b (SGU3273x) Printed specifically for QEII Diamond Jubilee Year Issued: 06 February 2012. Source Code DIAM B ND - taken from Walsall Business Sheets of 100. Printer: Walsall. Print...
£1.11

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2011 GB - SGU3016-11 1st Gold (W) frm PM27 Thunderbirds M11L MNH 3

2011 GB - SGU3016-11 1st Gold (W) frm PM27 Thunderbirds M11L MNH

SGU3016 Single Gold 1st stamp from Thunderbirds Book (PM27). Security: Type 2 Slits + MCIL + M11L. (first use of new marking) My Ref: 2011.1st.GW01 SG Spec: UJW34 Issued: 11 Jan 2011 Printer: Walsall...
£1.19

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2011 GB - SGU3016-11 1st Gold (W) frm PM28 Health M11L MNH 3

2011 GB - SGU3016-11 1st Gold (W) frm PM28 Health M11L MNH

SGU3016 Single Gold 1st stamp from Medical Health Book (PM28). Security: Type 2 Slits + MCIL + M11L. (first use of new marking) My Ref: 2011.1st.GW02 SG Spec: UJW34 Issued: 24 Feb 2011 Printer:...
£1.19

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2011 GB - SGU3016-11 1st Gold (W) frm PM29 Thomas Train M11L MNH 5

2011 GB - SGU3016-11 1st Gold (W) frm PM29 Thomas Train M11L MNH

UJW34 Single Gold 1st stamp from Thomas the Tank Engine Book (PM29). Date code change to M11L for 2011 issues. Security: Type 2a Slits + MCIL + M11L. SG Spec: UJW34 RM Code: UB327 Issued: 14 Jun...
£1.19

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2009 GB - SGU2949 1st Gold (W) from PM20 Mary Quant Bklt MNH 5

2009 GB - SGU2949 1st Gold (W) from PM20 Mary Quant Bklt MNH

Single from Classic Designs Book IV (Mary Quant). This was a MIXED booklet issued with the Security under-print. Contains 4 x Gold 1st Machins and 2 x Mini Skirt. Security: Type 2 Slits + MCIL. My...
£1.20

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2009 GB - Single 1st Gold (W) from MB8 Bk of 6 MSIL/MAIL MNH 7

2009 GB - Single 1st Gold (W) from MB8 Bk of 6 MSIL/MAIL MNH

MB08 Single Gold 1st stamp from Book of 6 with capital "P" in Postcodes and Bi-Lingual text. First MSIL to be issued. Security: Type 2 Slits + MSIL. My Ref: 2009.1st.GW02 SG Spec: UJWB11 Issued: 31...
£1.20

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2009 GB - Single 1st Gold (W) from PM16 Design Classics 1 MNH 1

2009 GB - Single 1st Gold (W) from PM16 Design Classics 1 MNH

PM16 Single Gold 1st stamp from Classic Designs Book I. Security: Type 2 Slits + MCIL. My Ref: 2009.1st.GW01 SG Spec: UJWB11 Issued: 10 Mar 2009 Printer: Walsall MCIL designates Mixed Walsall...
£1.20

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2009 GB - Single 1st Gold (W) from PM17 Design Classics 2 MNH 1

2009 GB - Single 1st Gold (W) from PM17 Design Classics 2 MNH

PM17 Single Gold 1st stamp from Classic Designs Book II. Security: Type 2 Slits + MCIL. My Ref: 2009.1st.GW05 SG Spec: UJWB11 Issued: 21 Apr 2009 Printer: Walsall MCIL designates Mixed Walsall...
£1.20

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2010 GB - Single 1st Gold (W) from "London" Bk of 6 (MSIL) MNH 8

2010 GB - Single 1st Gold (W) from "London" Bk of 6 (MSIL) MNH

From MB08b Booklet This sale is for 1 x Walsall Gold 1st Single from the London 2010 Stamp Festival Booklet of 6 (MB8b). Security: Type 2 Slits + MSIL + MA10 My Ref: 2010.1st.GW08 SG Spec: ? Issued:...
£1.20

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2009 GB - SGU2949 1st Gold (W) from PM19 Concorde Bklt MNH 1

2009 GB - SGU2949 1st Gold (W) from PM19 Concorde Bklt MNH

SGU2949 Single Gold 1st stamp from Classic Designs Book III. Security: Type 2 Slits + MCIL. My Ref: 2009.1st.GW07 SG Spec: UJWB11 Issued: 18 Aug 2009 Printer: Walsall MCIL designates Mixed Walsall...
£1.21

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2012 GB - SGU3275 Jubilee (W) Single from MB11 Bklt "MSND" MNH 4

2012 GB - SGU3275 Jubilee (W) Single from MB11 Bklt "MSND" MNH

SGU3275 from Booklet MB11 Printed specifically for QEII Diamond Jubilee Year. Single from booklet (Plain) of 6 x 1st Slate Diamond Jubilee stamps. Issued: 16.10.2012. Source Code DIAM S ND - Walsall...
£1.25

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2012 GB - SGU3328 Jubilee 1st Class (W) from DY4 PSB "MPND" MNH 6

2012 GB - SGU3328 Jubilee 1st Class (W) from DY4 PSB "MPND" MNH

SGU3328 Printed specifically for QEII Diamond Jubilee Year Issued: 31 May 2012. Source Code DIAM P ND - taken from Walsall Prestige Book (DY4) - Machin Pane. No "U" Slits. Printer: Walsall. Print...
£1.25

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2012 GB - SGU3013-12 2nd (W) T2a from ME5dn Bk M12L+T Single MNH 9

2012 GB - SGU3013-12 2nd (W) T2a from ME5dn Bk M12L+T Single MNH

UJW32 [12] from ME5dn Single Bright Blue 2nd class stamp from Book of 12. Security: Type 2a Slits + MTIL + M12L. IMPORTANT NOTE: This is from the booklet ME5dn with Type 2a "U" Cuts ( Narrow at top...
£1.40

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