Long-lost Victorian Painting in US beach house could fetch $800,000 at Christie's

["Derby Day" by William Powell Frith. The Victorian painting that hung in a family's unlocked New England beach house for half a century could fetch 500,000 pounds ($800,000) when it is sold next month, Christie's auction house said Tuesday Nov. 15, 2011. "Derby Day" is an early version of one of the era's most famous paintings William Powell Frith's teeming, picaresque image of the crowds at an 1850s horse race, from a rich family in their carriage to a prostitute and a fortune teller. AP Photo/Christie's]
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