Take five: Paint your own money

Robbie Coltrane - Harry Potter's Hagrid - could scoop around £4,000 (Dh22,000) from the sale of a painting from his days at the Glasgow School of Art in the 1970s. Other celebrities who have turned their artistic leanings into cash include:

A watercolour by the heir to the British throne turned up recently on a country stall in Wiltshire, southern England, where it sold for £60. His household claims that similar works by the prince usually sell for around £2,500.

The former James Bond actor spends his down time painting "landscapes and colourful portraits of his family". Reproductions are available to buy from his website, www.piercebrosnan.com, for around $2,000 (Dh7,400), with proceeds going to charity.

The singer can, it seems, turn his hand to almost anything: sculpture, photography, paintings and prints are available via www.bowieart.com, with paintings going for around $3,400.

Hopper's photographs taken during the 1960s are rare snippets of a turbulent time in US history. Originals are hard to come by, but a book of his works, Dennis Hopper: Photographs, 1961-67, is available from www.amazon.com from $650.

The Canadian musician described herself in 2000 as "a painter derailed by circumstance". Originals of her work mostly reside in private collections, but prints can be bought from www.jonimitchell.com/paintings from around $200.