For more than 20 years photographer Phyllis Galembo has traveled Africa and Haiti documenting the art of the masquerade. What is it about masks? “It’s the creativity,” says Galembo.

A 20th-century African mask sold for £107,100, more than 300 times its guide price. The Kwele mask from Gabon was given an estimate of between £300 to £500 by Woolley & Wallis in Salisbury ...