Carmen Thyssen sells Constable’s The Lock for €27 million at Christie’s
Spanish baroness' move sparks widespread criticism, even leading to resignation of former Royal Academy boss
Baroness Thyssen’s auction plans cause family row
The Baroness' stepdaughter is fuming at her stepmother's decision to auction a John Constable painting
Spanish baroness Carmen Thyssen selling Constable painting
The renowned art collector is hoping to fetch €30 million for The Lock, claiming 'I need the money'
