Ascertaining the Value of David Hockney’s $90 Million Painting

When Christie’s set the $80 million estimate for David Hockney’s masterpiece “Portrait of an Artist (Pool With Two Figures),” which would ultimately pale in comparison to the actual record-setting (for a work by a living artist) hammer cost of $90 million, they took many factors into account. More than arguing that it’s one of the iconic artist’s best compositions, the team at Christie’s made note of …