Creamware master potter Thomas Whieldon with coloured stains under the glaze. It served as an inexpensive substitute for the soft-paste porcelains being developed by contemporary English manufactories, initially in competition with Chinese export porcelains. It was often made in the same fashionable and refined styles as porcelain. The most notable producer of creamware was Josiah Wedgwood, who perfected the ware, beginning during his partnership with Thomas Whieldon. Around 1779, he was able to lighten the cream colour to a bluish white by using cobalt in the lead overglaze. Wedgwood sold this more desirable product under the name "pearl ware". Wedgwood supplied
Mumun pottery period amounts from a few high status graves after 300 BC as sets this time apart from the Mumun pottery period. It is thus that, as a cultural-technical period, the Mumun was finished by approximately 300 BC. From about 300 BC, bronze objects became the most valued prestige mortuary goods, but iron objects were traded and then produced in the Korean peninsula at that time. The Late Mumun-Early Iron age Neuk-do Island Shellmidden Site yielded a small number of iron objects, Lelang and Yayoi pottery, and other evidence showing that beginning in the Late Mumun, local societies were drawn into closer