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The best, and quickly the main production was in Jingdezhen porcelain from Jiangxi Province.
There was already a considerable tradition of painted Chinese ceramics, mainly represented at that time by the popular stoneware Cizhou ware, but this was not used by the court.
The origin of this decorative style is thought to lie in Iraq, when craftsmen in Basra sought to imitate imported white Chinese stoneware with their own tin-glazed, white pottery and added decorative motifs in blue glazes.
In the early 20th century, the development of the classic blue and white Jingdezhen ware porcelain was dated to the early Ming period, but consensus now agrees that these wares began to be made around 1300-1320, and were fully developed by the mid-century, as shown by the David Vases dated 1351, which are cornerstones for this chronology.Initially copper and iron reds were the most common, but these were much more difficult to fire reliably than cobalt blue, and produced a very high rate of mis-fired wares, where a dull grey replaced the intended red.