The classic pint of Guinness.

Niall Carson / PA Wire / PA Phot
Miniature Guinness shot glass commemorating the company's 250th anniversary this year.

Niall Carson / PA Wire / PA Phot
Miniature Guinness pint glasses were made to celebrate the 250th anniversary as well.

Niall Carson / PA Wire / PA Phot
The Guinness storehouse gates in the St. James's Gate brewing site, Dublin.

Julien Behal / PA Archive / PA P
Tourists take pictures in the Guinness Storehouse in Dublin.

Niall Carson / PA Wire / PA Phot
Staff from the Guinness Storehouse, Dublin, celebrate a record number of visitors who have flocked to the home of the black stuff.

Niall Carson / PA Wire / PA Phot
A tourist drinks a pint of Guinness in the Gravity bar at the Guinness storehouse, Dublin.

Julien Behal / PA Archive / PA P
A pint of Guinness, on a table, in the Gravity bar at the Guinness storehouse, Dublin.

PA Archive/PA Photos
An Ireland fan with a huge inflatable bottle of Guinness

Steve Mitchell / EMPICS Sport /
A Wales fan drinks a pint of Guinness at a rugby match.

Rebecca Naden / PA Archive / PA
View of a Guinness Premiership Corner Flag at a rugby match.

Andrew Matthews / EMPICS Sport /
A man dressed as a pint of Guinness takes part in the Lifestyle Sports Adidas Dublin Marathon.

Julien Behal / PA Wire / PA Phot
A man enjoys a pint and a cigarette - simultaneously - in a bar in Central London.

Chris Young / PA Archive / PA Ph
"The Good Old Days" for Irish smokers - a man having a Guinness and a cigarette in a Dublin pub. (Smoking is now banned in Irish pubs.)

Haydn West / PA Archive / PA Pho
Five foot high pints of Guinness used to promote the Irish brew at 150,000 pubs and bars around the globe on St. Patrick's Day.

PA Archive / PA Photos