Flat circular cover with check on underside for a black and green serpentine jar: Ancient Egyptian, 12th Dynasty

Jar cover of porcelain with floral decoration in panels painted in underglaze blue: Japan, 17th century

Temple jar cover of porcellanous stoneware with finely crackled olive green glaze: China, Gansu Province, Huating Xian factory, Song Dynasty, 960 - 1279 AD

Porcellanous stoneware jar cover not in keeping with the jar and probably fitted from a neighbouring tomb during excavation: China, Northern Henan ware, Jian ware, Song Dynasty, 960 - 1279 AD

Jar cover of porcelain, wucai (five-colour) ware painted in figure subjects in underglaze blue and overglaze red, yellow, green and aubergine: China, Ming or Qing dynasty, 17th century AD

Cover for a jar of blue and white porcelain decorated with figure subjects, trees and flowers: China, Qing dynasty, Kangxi reign, 1662 - 1722

Cover for a jar for storing olives in oil, of glazed earthenware, and painted with bands of floral arabesque design in blue, yellow and green with manganese purple outlines: Morocco, Tangier

Cover in form of an owl-like head for a stoneware jar, glazed cream picked out in brown and blue: English, Fulham and Southall, by Martin Brothers, 1904