A: Johann Haviland Porcelain Company has been in Waldershot, Bavaria, Germany, since 1907. Johann was the son of Charles Haviland who produced porcelain in Limoges, France. They are now part of Rosenthal Glass and Porcelain Company in Bavaria, Germany. Your mid-20th century dinnerware would probably be worth $1,000 to $1,500.
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