Jean-Etienne Liotard’s Portrait of Philibert Cramer — a masterpiece of the Enlightenment

Virtual tour: Americana Week at Christie’s New York and Online

Decoding the secrets of Casa Mollino

Alberto Zanetti

Peggy Guggenheim and the ghosts of the unfinished palazzo

Judith Mackrell

Collecting guide: 10 things you need to know about Chinese ceramics

‘The perfect line’: How Rembrandt made some of his greatest works