"That stall will not be there again today," he wrote after revealing the value of the art

Banksy, the British graffiti artist causing a sensation in New York City, says he sold his artwork over the weekend for only $60 apiece.

Banksy wrote on his website that he had set up a stall in Central Park on Saturday with original signed works. But the secretive artist warned Sunday: “That stall will not be there again today.”

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The website features a photo and video of the pop-up stall with a sign that read: “Spray Art. $60.” His works typically sell for thousands of dollars.

People seen buying the works also receive hugs from an elderly man working the stall. It is not clear who the man is, but he managed $420 in sales – while the sold art is really worth an estimated $225,000. (The entire stall was probably holding more than $1 million worth of canvases.)

Banksy refuses to give his real name, but his work has been turning up on the city’s streets and all over social media in recent weeks.