A court ordered Jens Haaning, who incorporates physical currency in his work, to give back about $70,000 after he sent the Kunsten Museum of Modern Art two blank canvases.
source https://www.nytimes.com/2023/09/19/arts/design/jens-haaning-take-the-money-and-run.html
source https://www.nytimes.com/2023/09/19/arts/design/jens-haaning-take-the-money-and-run.html