See all the objects from the Radio 4 series A History of the World in 100 Objects. Click on any link to find out more about an object, zoom in on the image and listen again or download the programme.

So why would anyone pay for a brush that costs over 100 times ... the Series 7 brush was first made in 1866 and was designed to be the finest possible brush for watercolor painting.

A painting by famed artist Gustav Klimt that was believed to be lost for around 100 years has been sold for $32 million at an auction in Vienna. The "Portrait of Fräulein Lieser" by the ...