#clayware__pottery  ceramic ware made from clay and baked in a kiln
  supertype:  #ceramic_ware__ceramicware  utensils made from ceramic material
  substance:  #clay
  subtype:  #agateware  pottery that is veined and mottled to resemble agate
  subtype:  #lusterware  pottery with a metallic sheen produced by adding metallic oxides to the glaze
  subtype:  #Wedgwood  (trademark) a type of pottery made by Josiah Wedgwood and his successors; typically has a classical decoration in white on a blue background

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