A demolition contractor employed to demolish a farmhouse unwittingly destroyed a Banksy painting of a boy and a cat. The painting, as usual was very clever. They saw the painting but had no idea about its value. Banksy's Boy and Cat is no longer. Image in public domain. The Internet tells me that the highest prices paid for a Banksy painting are around the £16 million mark! It seems that this contractor has destroyed a potentially very valuable item of art. Perhaps they destroyed something which was worth far more than the value of their contract. In fact, I am sure that that is the case. The painting was, as mentioned, very clever. It was on the first floor of a farmhouse. A window had been boarded up. The boarding had been painted white. On either side of the window were corrugated iron sheets which has been indented on either side as you can see in the painting. Banksy used the raw materials in front of him i.e. the white boarding and the indentations in the corrugated sheeting ...