The world's most expensive painting cost $450 MILLION because two Arab princes bid against each other by mistake and wouldn't back down (but settled by swapping it for a yacht)

(United Arab Emirates)

Ryan Parry (2018). The world's most expensive painting cost $450 MILLION because two Arab princes bid against each other by mistake and wouldn't back down (but settled by swapping it for a yacht). The Daily Mail. 29 March.