scully: it was well known that richard dadd had painted this picture but it had been lost for about 100s. and suddenly out of the blue, it turns up completely unexpectedly in barnstaple. it was breathtaking. honestly, i've only had a few minutes to look at this and it needs some investigation. so what i would like to ask you to do is if we may take it to london on your behalf and investigate it further. oh, yes, certainly. we'd be interested as well, you see. scully: so with the owners' permission we took the picture back to london took it to the expert and we said, "look, is this the long-lost richard dadd?" and she said "yes, it certainly is." so then we had to go back to the couple in barnstaple, went to their bungalow with a film crew and that's when peter gave them the good news and the valuation. it is an international treasure, a lost picture. and i feel that it could possibly make somewhere over £100,000. - oh! - ( laughing ) scully: he had just retired from his job. he was a driver for the royal air force, and so £100,000 for them would have been very useful and they decided to