‘Is that a real Banksy?’ Art market struggles with an £18.6m question

This downtrodden rodent may look like a genuine Banksy, but in fact it is a ‘reimagination’ of the artist’s Because I’m Worthless print. Photograph: Celia Medel San Millan/Alamy

Name: Banksy.

Age: Who knows? The identity of the street artist, satirist, film-maker, and political and social commentator remains unknown.