Something a little bit different.
That naughty guardsman peeing on duty!! Tsk tsk. What would the Queen say??
(The client asked specifically for the "wee stain" for a giggle, but it will usually be largely hidden by the phone box they keep their spare loo rolls in, see last pic).
The paw print graffiti on the wall is for the couple's dog Ella who is sadly no longer with us.