Photos: Notorious art heists

Italy's Culture Ministry unveils two paintings by the French artists Paul Gauguin and Pierre Bonnard on Tuesday, April 2. The paintings, <a href='http://www.cnn.com/2014/04/02/world/europe/italy-paintings-recovered/index.html'>worth millions of euros</a>, were stolen from a family house in London in 1970, abandoned on a train and then later sold at a lost-property auction, where a factory worker paid 45,000 Italian lire for them -- roughly equivalent to 22 euros ($30).

Italy's Culture Ministry unveils two paintings by the French artists Paul Gauguin and Pierre Bonnard on Tuesday, April 2. The paintings, worth millions of euros, were stolen from a family house in London in 1970, abandoned on a train and then later sold at a lost-property auction, where a factory worker paid 45,000 Italian lire for them -- roughly equivalent to 22 euros ($30).