Banksy artwork could fetch £3.5 million at Christie's auction

The transcript discusses Banksy's painting 'Gamechanger', which was sold on behalf of the NHS for £16 million, a significant donation by the artist. The painting, estimated to be worth between 2.5 to 3.5 million pounds, is one of 25 versions and is considered an iconic image of hope. The discussion highlights the painting's value, competition, and its status as a sought-after piece of art.

What does the speaker suggest about the competition for the painting?

Why is the painting considered an iconic image by Banksy?