LINK quote [The man behind these pictures is more Bic-asso than Picasso but that has not stopped him becoming hot property on the international art scene. Spanish artist Juan Francisco Casas uses a humble Biro to craft his drawings, which now fetch as much as £3,750. Juan said: 'I guess it started off as a joke, to try and make something so realistic that people would think it was a photo. 'I also wanted to create it with something that everyone has – a Biro.'].