When you next post a letter, take a look at the letter box (or post box). We’ve recently been in Gibraltar, where they are instantly recognisable to visitors from Britain, being of cast iron, painted red and bearing a royal cipher. British letter boxes are so traditional that they are commonly depicted on Christmas cards, adorned with seasonal snow and a festive robin or two.
A rare pillar box near Main Street, Gibraltar, of Edward VIII,
who abdicated. The cipher reads ER VIII