THE PIECE: "American Indian Shooting a Bow and Arrow," oil on canvas, unsigned and unframed, by a painter of the American School in the early 20th century.

Bonhams said the painting is thought to be the only oil portrait Gandhi sat for. He led a non-violent resistance movement against British rule in India and his teachings have inspired millions. Most ...

Climate protesters in October defaced Vincent Van Gogh’s famous “Sunflowers” painting, worth $84.2 million, at the National Gallery in London by throwing soup on it.