Kathmandu, June 10 -- An international conference on looted cultural objects in Nepal was strategising about how to repatriate sacred icons, when news broke that a 400-year-old jewel studded gilt-copper necklace stolen from Kathmandu was up for auction in Belgium.

The Matrika Necklace from the reign of King Pratap Malla (1641-74 CE) was being auctioned at the Veilinghuis Loeckx in Gent and the event beamed live on invaluable.com on 17th June. It was advertised for was 1,200 pounds.

But that was before participants at the Kathmandu conference sent frantic emails to the Brussels auction house and the Dutch gallery where the necklace was sourced from. The item was withdrawn from the auction because of 'questions about provenance'.

The au...