Helen of Troy among the classic pieces turning heads in London 

Des O'Sullivan reveals the back stories and Irish connections of the remarkable artwork coming to market this summer

Canova's bust of Helen of Troy at Christie's.

From Helen of Troy and Aphrodite to Mozart and a suite of Louis XIV silver-mounted furniture, the London summer sales season will deliver some remarkable masterworks and classical pieces to the global market in the coming week.

On the market for the first time ever is a bust of Helen by Antonio Canova (1757-1822).