Focus on Mystic Marriage of Saint Catherine (Parmigianino, National Gallery) and explain the Copies.
Several copies of the painting survive – the best are in Apsley House, the Pinacoteca Nazionale di Bologna and the Museo Davia Bargellini. Another copy is still in a private collection – this lacks the oval window at the top but Mario Di Giampaolo argues that it is autograph copy and that the Apsley House work is a copy of it.
Another copy Bologna Pinacoteca Nazionale di Bologna Museo Davia Bargellini Apsley House