Experts at Christie's say it is a foot sketch of the Libyan Sibyl which was later painted on the Sistine Chapel ceiling.
A "lost" red chalk study for the Sistine Chapel—discovered via a website submission—ignited a 45-minute bidding war at Christie's.
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 ...