Rare oil portrait of Mahatma Gandhi to be auctioned in London

Rare oil portrait of Mahatma Gandhi from 1931 to be auctioned in London. Painted by British artist Clare Leighton, it is believed to be the only oil portrait Gandhi sat for. The painting holds historic significance as Gandhi visited London for a Round Table conference. Bonhams will auction the portrait in July, aiming for wider appreciation of this unique piece.