It depicts Henrietta Moraes, one of an inner circle of friends and lovers painted by Bacon, with a syringe in her arm. Bacon, who died in 1992, claimed the syringe served a purely visual purpose and had no sinister connotations. The artist met Mrs Moraes, former wife of Indian poet Dom Moraes, in Soho in the Sixties and painted her more than a dozen times.