In 2007, a New Yorker paid $3 for a white bowl at a yard sale and kept it in the living room for years; experts later identified it as a 1,000-year-old Chinese artefact, and it sold for $2.225 million
Every New Yorker has walked past a yard sale and kept walking. Most of the time, they’re right to. The folding tables are full of chipped mugs, mismatched lamps and vases nobody has ever wanted. Every so often, though, one of those tables hides something that makes an auction house very happy and a family…

