Detective work needed

Who might be behind these glasses, that hair? A furtive face seen at the launch party for Ekaterina MacDougall's (of MacDougall Arts Ltd, the leading Russian art auctioneer in London) first book, an art detective story set in Moscow, Paris and London, called "Brig Mercurii". The text is in Russian, which will make the detective's task much harder. The party was held in the garden of the Gorky Literary Institute on Tverskoy Bulvar, with a brass band playing in the shrubbery.

It was a warm and windless night...