A brief history of London’s post boxes and how you can tell their age, including when you can expect to see King Charles III’s cypher on them.
Queen Victoria's postbox unearthed in Surrey cottage - BBC News
The image is of one of many of the original octagonal Royal Mail
Look Out For These Little Changes To London Following The Death Of
Rare historic post box used for Royal Mail in Worcester revealed
Penfold Hexagonal Post Box, North Street, NEW ROSS Td., New Ross
Britain's oldest red postbox is still in use after 161 YEARS - and still bears Queen Victoria's initials
Post boxes in London
Penfold Hexagonal Post Box, North Street, NEW ROSS Td., New Ross, County Wexford - Buildings of Ireland
Going postal in London – Lo Vedo Life
Queen Victoria - Letter Box Study Group
Colonial Postboxes
Queen Victoria - Letter Box Study Group
Public are unaware of what 'ER' and 'GR' on postboxes mean
Gold Post Boxes: Commemorating Britain's Sporting Heroes – HistorianRuby: An Historian's Miscellany