A 5-inch chalk sketch of a man’s right foot could fetch at least $2 million after Christie’s auction house linked it to Michelangelo’s ceiling in the Sistine Chapel.

The tiny drawing of the bare foot is believed to be that of a male model who posed for one of the Renaissance master’s figures on the world-famous ceiling frescoes at the Vatican in Rome, according to a press release from the New York auction house .

Now the red-chalk image, which currently belongs to an anonymous seller from Northern California, is expected to become the most expensive drawing of a foot ever sold when it goes up for auction in February.

“No recorded study for the Sistine Chapel has ever come to auction — until now,” Christie’s said in its release.

Giada Damen, a specialist in its Old Master Drawings De

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