Creamware of these potteries would have been producing creamware. Whilst Staffordshire had taken the lead, creamware came to be developed in a number of large potting centres where stoneware was already being produced, eventually replacing stoneware entirely. These included Derbyshire, Liverpool, Yorkshire (including the Leeds pottery) and Swansea. Attribution of pieces to particular factories has always been difficult because virtually no creamware was marked prior to Josiah Wedgwood's manufacture of it in Burslem. At the time manufacturers frequently supplied wares to one another to supplement stocks and ideas were often exchanged or copied. In addition, factories usually sent out their wares
Regina (pottery) able to buy a number of (pottery) molds from the bankrupt Rozenburg pottery factory, which made high-quality pottery in the period from 1883 to 1917. The biggest competitor of Regina in the field of decorative and colored pottery was the Plateelbakkerij Zuid-Holland (PZH). In the beginning, Regina produced the shiny pottery, but it soon became clear that the general public preferred the new matt veneered plate. PZH was, for the time being, an unmatchable competitor in this field. In her heyday Regina produced for large foreign retailers, including in England (Liberty's of London) and in Canada (Ryrie Birks). The deteriorating