Guinness Waterloo Bridge is Coming DownOriginal vintage Guinness advertising poster Waterloo Bridge is Coming Down Guinness for Strength featuring a fantastic and rare illustration by the notable artist John Gilroy (John Thomas Young Gilroy; 1898 1985) of a man drinking a pint of Guinness and leaning on Waterloo Bridge causing it to crack and topple over, with a man in a rowing boat on the River Thames falling back in shock and a bird flying back from the falling bridge, the text in bold