Lot 4, a dragonfly brooch dating from the late 19th century, looks real enough to flutter its wings (estimate: £5,000-7,000). Christie's Important Jewels Sale on 26 November at King Street in London.

Lot 4, a dragonfly brooch dating from the late 19th century, looks real enough to flutter its wings (estimate: £5,000-7,000). Christie's Important Jewels Sale on 26 November at King Street in London.