Andy Warhol’s inaugural ‘selfie’ expected to fetch £7m at auction

Print from 1963 based on photo-booth image of artist obsessed with cult of celebrity to be sold at auction for first time

Art Basel: a dose of reality with exhibits on snooping and migration

Samson Young and Chiharu Shiota among artists whose works bring global political turmoil to art market’s top event

World art market stalls for first time in years

Fall of 7% a function of slowing at cheaper end of market with record prices at top end continuing to make headlines

Art market in ‘mania phase’ and risks bursting of the bubble, report says

Experts expect a ‘severe correction’, particularly in contemporary and American art, after years of spiralling prices and celebrity and luxury obsession