The pub was built in 1893 as Prescott's Bank and, we are told, the foundations rest partly on the North sleeper wall of a 2,000 year old Roman basilica. Today, the pub is run as a Fuller's Ale & Pie pub, so the ales are brilliant, and the pies are reasonably good.
The mosaic floors, marble walls and domed ceiling make for a great atmosphere, and as it's a bank, and your author was one of a very few people present who weren't wearing a suit, we can add authentic City ambience to the mix. There's a nice island bar and a gallery upstairs, as well as a number of private rooms for parties and conferences of all sizes.
For more, see http://www.fullers.co.uk/rte.asp?id=4&itemid=68&task=View