By monarch

Browse letter boxes by reign, from Victoria through Charles III, with notes on designs and examples in the museum.

Each reign is one gallery page. For a cipher comparison of late Victorian and early Edwardian wall boxes, see VR versus E7R.

• Victoria Regina 1852–1901 From early wall boxes and Penfolds to Jubilee pillars; the foundation of the collection. View
• Edward VII 1901–1910 Edwardian pillars, wall boxes, and lamp boxes, including closed-scroll cipher examples. View
• George V 1910–1936 A wide reign of designs, Ludlows, and the signatures that identify makers and foundries. View
• Edward VIII 1936 A short reign and scarce boxes; replicas and related artefacts help tell the story. View
• George VI 1936–1952 Inter-war and wartime patterns, including familiar GR pillars still common on the street. View
• Elizabeth II 1952–2022 Post-war pillars, wall boxes, and later types through to the end of the reign in 2022. View
• Charles III 2022– CiiiR pillars, lamp boxes, and solar-powered Parcel Combination boxes from the present reign. View