Abstract In 1978, UNESCO Secretary General Amadou-Mahtar M’Bow compared cultural colonial objects to ‘witnesses to history’. Their treatment is one of the most debated questions of our time. Calls for a novel international cultural order go back to decolonization. However, for decades, the issue has been treated as a matter of comity or been reduced to a Shakespearean dilemma: to return or not to return. This book seeks to go beyond these classic dichotomies. It argues that contemporary practices are at a tipping …