In 1946, a collector bought a Ming-era cloisonné pomegranate box for £19; 77 years later, it was found in an attic, auctioneers expected £6,000 to £10,000 before bidding pushed it to £288,000

• The 15th-century object, known as a cloisonné pomegranate box, went under the hammer at Dreweatts auction house in Berkshire with an estimate of £6,000 to £10,000.
• Competitive bidding pushed the final price far