2021 M21L SECURITY MACHIN CODE VARIATIONS SET of 21v

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Seller: rml2760 ✉️ (36,180) 100%, Location: England, GB, Ships to: WORLDWIDE, Item: 133942093777 2021 M21L SECURITY MACHIN CODE VARIATIONS SET of 21v.

2021 Machin Stamps with Security Features

Set of 21 Self Adhesive Singles with Code Letter Variations M21L + Source Codes

Specialist Set of 21 single Machins with Security Features consisting of U shaped slits and iridescent overprint. 

Many Machin printings from 2010 onwards include a year identification code as well as the source codes previously introduced in 2009.

Each of these stamps contains a hidden source code letter on the right hand side of the stamp, allowing the source of the stamp to be identified.  The M20L year code is to be found on the left hand side of the Queen's Head.

This set is up to date as at November 2021 and contains all the basic 2021 "low value" varieties that have been reported/found so far.       Prestige Book (PVA gummed) varieties, Tariff increase issue, Recorded Delivery, Special Delivery stamps, Backing paper varieties where there is more than one variant and they have the same source code are excluded and are listed separately in my ebay shop as appropriate.   It should also be noted that I do not differentiate between stamp orientations on SBP2 backing paper (ie SBP2u, SBP2i, sL, Ls etc etc.) - you may receive any variant in this set where more than one exist and they may not neccessarily be the ones shown in the picture.   

The individual stamps with their code letters are as follows:

1p   M21L + ROYAL MAIL (no code) taken from Counter Sheets of 25, Gravure 2p   M21L + ROYAL MAIL (no code) taken from Counter Sheets of 25, Gravure 5p   M21L + ROYAL MAIL (no code) taken from Counter Sheets of 25, Gravure 10p  M21L + ROYAL MAIL (no code) taken from Counter Sheets of 25, Gravure 20p  M21L + ROYAL MAIL (no code) taken from Counter Sheets of 25, Gravure £1.00  M21L + ROYAL MAIL (no code) taken from Counter Sheets of 25, Gravure £2.55  M21L + ROYAL MAIL (no code) taken from Counter Sheets of 25, Gravure 2nd Class M21L + ROYAL MAIL (no code) taken from Counter Sheets of 50, Gravure 1st Class M21L + ROYAL MAIL (no code) taken from Counter Sheets of 50, Gravure 2nd Large M21L + ROYAL MAIL (no code) taken from Counter Sheets of 50, Gravure 1st Large M21L + ROYAL MAIL (no code) taken from Counter Sheets of 50, Gravure 2nd Class M21L + ROYAL MB IL taken from Business Sheets of 100, Gravure 1st Class M21L + ROYAL MB IL taken from Business Sheets of 100, Gravure 2nd Large M21L + ROYAL MB IL taken from Business Sheets of 50, Gravure 1st Large M21L + ROYAL MB IL taken from Business Sheets of 50, Gravure 2nd Class M21L + ROYAL MT IL taken from Booklets of 12, Gravure 1st Class M21L + ROYAL MT IL taken from Booklets of 12, Gravure 1st Class M21L + ROYAL MS IL taken from Booklets of 6, Gravure 1st Class M21L + ROYAL MC IL taken from Mixed Machin/Commem. Booklet, Gravure 2nd Large M21L + ROYAL MF IL taken from Booklets of 4, Gravure 1st Large M21L + ROYAL MF IL taken from Booklets of 4, Gravure Supplied with printed Check Sheet listing in order to assist in identifying each stamp.  (as shown in picture above). All of the above are also available on separate listings as singles in my eBay Shop, along with equivalent sets of for previous years. Stamp arrangement and selvedge may vary, the scan is a representative example of the stamps.  As always with security overprints, the strength of the overprint can vary from crystal clear to almost invisible across different sources. This set may be updated in the future to include new items as they are issued.    If you previously purchased an earlier version of the set with less stamps, you can still purchase the additional stamps individually from the listings in my ebay shop. Set does not include Backing Paper variants where the stamp is otherwise the same, these are available separately.   I do not differentiate between orientations of stamps on SBP2 backing paper (eg SBP2i, SBP2u, Ls, sL etc etc).  You will receive any available SBP2 variant in this set.

For other Regional Country and Machin issues please  visit my ebay Shop

Many more GB stamps, minisheets and booklets available in my eBay shop - Please click on the links to the left for details.


  • Condition: New, Mint Set of 21 Single Stamps
  • Monarch/Regent: Elizabeth II (1952-Now)
  • Number: 21
  • Colour: Multi-Coloured
  • Currency: Decimal
  • Topic: Machin, MA21, M21L
  • Year of Issue: 2011-Present
  • Quality: Mint Never Hinged/ MNH
  • Type: Stamps: Singles/ Blocks/ Multiples
  • Sub-Type: Definitive
  • Singles/ Blocks/ Multiples: Multiples
  • Denomination: Various

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