Royal Cyphers on Letter Boxes - The Postal Museum

What is “cypher-spotting”? A renewed interest in Royal Cyphers is making more people stop and take a second look at post boxes.

George V Letterbox Stock Photos and Pictures - 26 Images

Royal Cyphers on Letter Boxes - The Postal Museum

Stamps, coins and royal cyphers — Destination: History

Pillar box - Wikipedia

A look at London's post boxes from Queen Victoria to Queen Elizabeth II

從英國寄明信片回台灣📮📨📨. 由寄明信片的過程累積對英國郵政的小好奇

Currently visiting the UK and my new hobby is to spot letter boxes on the street and bet what royal cypher it will be. I find it very entertaining ! 4 cyphers

Royal Ciphers on Postboxes: a Brief Guide – HistorianRuby: An Historian's Miscellany

Trail talk: a forgotten anomaly, the 1930s Airmail pillar boxes