Ireland, North, Belfast, Exterior of the Marks and Spencer store in the former Water office building.

Italy, Lazio, Rome, Vatican City, Vatican stamps.

Italy, Piedmont, Turin, post office sign.

India, New Delhi, Passengers queue at the ticket office in Delhi Junction Railway Station.

England, Merseyside, Bootle, Sign outside church with office block behind, 1975.

Business, Young woman in smart dress using tablet computer in office setting.

Business, Young woman in smart dress using tablet computer in office setting.

Business, Young woman in smart dress using tablet computer in office setting.

England, Cumbria, Keswick, Sign outside Post Office, Bank Street.

England, Cumbria, Far Sawrey, Post box mounted in wall.

Croatia, Zagreb, Old town, Post office next to main railway station.

England, London, Westmiinster, Theresa May and husband Philip on her first day as prime minister in Downing Street.