Rare Joseph Wright of Derby self-portrait donated to local museum

Depiction of 18th-century painter, famous as master of light and shadow, acquired in lieu of inheritance tax

A self-portrait of Joseph Wright of Derby, the 18th-century painter famous as a master of light and shadow, has been acquired for the nation through a scheme that allows people to donate artworks in lieu of inheritance tax.

Self-Portrait at the Age of About Forty is the only self-portrait by Wright in which he depicts himself as an artist. It will go on permanent display in the city where Wright was born and lived.