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Photo by The Post Box Buddies

High Street, Cambourne

Notes

The first postbox in the UK bearing the King Charles III cypher was unveiled on July 12, 2024, on High Street in Great Cambourne, Cambridgeshire. Located near 5 High Street, CB23 6JX (outside Greens Coffee Shop), this new, red pillar box features the "C II R" cypher and a Tudor Crown, marking a 170-year-old royal tradition. Imported Colin National directory #65

Reign / Cipher

King Charles III

Design variant / Subtype

Type B

Created

09/02/2026

Updated

13/03/2026

Date in service

12/07/2024

Reg No

CB23550

Grid reference

TL 32054 59546

Road

High Street

Location (from coordinates)

Cambourne, Cambridgeshire, United Kingdom

Coordinates

52.2183103,-0.0683944

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Timeline

  • Installed12 Jul 2024
  • First photo7 Mar 2026
  • Last recorded visit12 Mar 2026 by Emma H
  • Latest photo13 Mar 2026

History

When this listing was created, when it was approved and by whom, what was changed (and who approved each correction), and any merges.

  • Manufacturer changed from to Machan Engineering Ltd by LukeApproved on 3 Mar 2026, 16:14 by Luke
  • Design variant / Subtype changed from Standard cylindrical to Type K by LukeApproved on 3 Mar 2026, 16:13 by Luke
  • Name changed from Great Cambourne to High Street, Cambourne by ModdyApproved on 23 Feb 2026, 12:38 by Moddy

Comments (2)

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  • Luke

    The box was unveiled by the Lord Lieutenant of Cambridgeshire alongside local school children, with a commemorative plaque fitted to the rear. A small but significant piece of postal history.

    11 Feb 2026, 11:27

  • postboxesofinsta

    Charles III

    7 Mar 2026, 17:18