£50,000 Renoir found in £5 box of junk

Dublin flea market
Dublin flea market

Peter Morrison/AP/Press Association Images

A woman in West Virginia stumbled across a masterpiece by Pierre-Auguste Renoir in a £5 box of assorted junk at a flea market. She initially bought it for the frame, but decided to have it valued, and discovered she had a £50,000 painting.

So what did she find, and where are the bargains lurking?