Pilkingtons Royal Lancastrian impressed P symbol, c1905-1914. A printed version of this mark can also be found dating c1904-1905.
The roman numerals underneath this mark denote the production year. This example XI=1911.
Royal Lancastrian England Tudor Rose impressed mark c1914-1920. The words may be omitted on smaller pieces. Alternatively they may just be impressed Royal Lancastrian. This example shows the impressed shape number 3239.
Royal Lancastrian Made In England Tudor Rose impressed mark. Made In England was added to pieces c1920-1938.
Royal Lancastrian Edward Thomas Radford impressed potter's mark.
Mark of Royal Lancastrian designer/artist William S Mycock.
Mark of Royal Lancastrian designer/artist Gwladys Rodgers.
Disclaimer: Information provided on this website is for general information only. Perfect Pieces can accept no responsibility for any errors or omissions in the information provided.