Coalport porcelain overglaze decoration, mostly with floral subjects. A further round of mergers in 1819 brought moulds and skilled staff from Nantgarw porcelain and Swansea porcelain to Coalbrook, which continued to thrive through the rest of the century. The Coalport factory was founded by John Rose in 1795; he continued to run it successfully until his death in 1841. The company often sold its wares as Coalbrookdale porcelain, especially the pieces with flowers modelled in three dimensions, and they may be called Coalport China. Rose employed William Billingsley, formerly at Nantgarw, as chief painter, and Billingsley's chemist, Walker, who initiated at Coalport
Edmé Samson well as plates in the manner associated with Bernard Palissy. Also copied by the Samson firm were the early Qing dynasty famille rose and famille verte Chinese porcelains and the so-called "Imari wares", named for the Japanese port where a type of richly decorated porcelain made at Arita was shipped. The firm exhibited at the International Exposition (1867) and the Exposition Universelle (1889). Samson, Edmé et Cie did not set out to produce copies with the intention to deceive, and claimed all reproductions the firm produced would be distinctly marked to avoid confusion with the originals. However, many of its