Banksy is the kind of an artist who shreds his auctioned-off artwork ... Don't Miss: This is what the price movements for his prints look like: Trending: Trump-Linked Digital World Acquisition ...

Two art collectors are going after popular graffiti artist Banksy over his refusal to confirm ... a certificate of authenticity for "paintings, prints, sculptures and other attempts at creativity".

It shows what a deep, kind and caring person he is." Banksy has gone on to be a world-famous artist The murals Banksy created with the children were fun and vivid in colour – but with meaning.