[albertGQ]

An unnamed New York family bought the “Ding” bowl, which is from the Northern Song Dynasty, for no more than $3 in 2007 and displayed it on a mantelpiece with no idea as to its real worth, Sotheby’s said. After consulting with experts, the owners consigned the bowl for auction. Sotheby’s estimated it would sell for $200,000 to $300,000. London dealer Giuseppe Eskenazi paid $2,225,000 including commission for the bowl,

That's a pretty sweet return.