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Much of the sea pottery in the United Kingdom and United States originated from discarded 18th and 19th century porcelain made in Europe and America.

Some sea pottery contains discernible patterns, such as flowers, figures, historic places and scenes, or hallmarks, factory stamps and dates which allow the pottery to be dated using pottery reference guides.

It is often collected with more common sea glass by beachcombers.

Sea pottery originates from pottery, including earthenware, stoneware and porcelain which breaks into smaller pieces and is smoothed by the acidity and motion of an ocean or lake, the sand or grit polishes the edges like a natural tumbler.

However, it's nowhere near an exact science when it comes to sea pottery.

If you are lucky you may find a piece that has a real clue as to its origins.

Later, a cobalt blue glaze became popular in Islamic pottery during the Abbasid Caliphate, during which time the cobalt was mined near Kashan, Oman, and Northern Hejaz.

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.

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Clementson Brothers turned out to be easy to trace online.

It is very collectible and good quality specimens are popular for jewellery making.

Smaller pieces look wonderful in mosaics and other artistic projects.

Early Jingdezhen Blue and white porcelain (those produced from the Yuan - early Ming periods) utilized imported cobalt from the Middle East, a material that was relatively difficult for potters to refine and control, resulting in the 'heap and pile' appearance of this vase's painted underglaze decorations.; literally: "Blue flowers") covers a wide range of white pottery and porcelain decorated under the glaze with a blue pigment, generally cobalt oxide.

The decoration is commonly applied by hand, originally by brush painting, but nowadays by stencilling or by transfer-printing, though other methods of application have also been used.

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  1. Blue and white pottery covers a wide range of white pottery and porcelain decorated under the glaze with a blue pigment, generally cobalt oxide. The decoration is commonly applied by hand, originally by brush painting, but nowadays by stencilling or by transfer-printing, though other methods of application have also been.

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