A rare ivory and tortoiseshell hand screen in the shape of a butterfly. Late 19th century. photo Bonhams The wings of tortoiseshell carved with four butterflies within scrolling flowers and leaves, so elaborately carved that the butterflies are loose...

Pair of jadeite, lavender jadeite and diamond 'fan' brooches. photo Sotheby's Comprising of two carved fans, one of translucent apple green colour with splashes of emerald green, and the other of translucent lavender tone, the edges decorated by swags...