Banksy Painting Self-Destructs After Fetching $1.4 Million at Sotheby's

[tedtalk]

The British street artist Banksy appeared to pull off one of his most spectacular pranks on Friday night, with a frame that shredded his “Girl With Balloon” after it sold.
ref:https://www.nytimes.com/2018/10/06/arts/design/uk-banksy-painting-sothebys.html