In the UK they paint unused/old post boxes black! : r/Postboxes
GR Post Box, Post boxes : Hadley Reclaimed
After seeing a post on here about old post boxes I started looking out for them. Found a Victoria and a George VI near my house. Much mild excitement! : r/CasualUK
Old British post box editorial stock photo. Image of mailbox - 124217098
Traditional Old Red Post Box For Mail And Delivery Of Letters Stock Photo - Download Image Now - iStock
Vintage Post Box High Resolution Stock Photography and Images - Alamy