My first real girlfriend
Tore tart cards
In London phone boxes.
In the end
Those colourful art cards
Vanished, leaving steel and glass.
Now, when I pass
Those boxes in London streets
I imagine discreet meets
Organised online.
And after the laughter
And wine
Only steel and glass remain.
K Morris - Poet 
It seems you are missing someone. Perhaps you should depose such cards by yourself, Kevin! Best wishes, Michael
To my knowledge such cards are no longer left in telephone boxes as the activities they promote have moved online.
Best wishes. Kevin
It’s a pity about the demise of the old red telephone boxes. Some have been kept for nostalgia. I’ve even seen them in other European countries, bought because they were so wonderful.
I remember having to go to one of them when I was first married as we didn’t have a phone.
I agree with you that it’s a pity about the demise of the old red telephone boxes. I’ve heard that some have been bought by individuals and turned into showers.
A few still exist in London and people (many of them tourists) have their photographs taken next to (or in them).