Oil painting of a man smoking an opium pipe, Europe

Photograph of two Chinese women

Box of dominoes, c 1990.

'Machinery used by the Chinese for Irrigation', 1811.

Ivory opium pipe with ornate metal mount, Chinese.

White or opium poppy, Papaver somniferum

Opium poppy, 6th century.

'West India Docks, from the South East', London, 1841.

Lord Elgin, 1860.

Greek and Roman mixing bowls with 'Larva Convivialis', 450 BC-200 AD.

Tungus style opium pipe, 19th century.

Bronze Age 'base ring' juglets, Cyprus, 14th century BC.