These marks are composed, in all or in major part, of coats of arms adopted by pottery companies or individual potters and studios. Wherever possible, credit is given to the person who made the identification.
Identified as Wong Lee (or Wah Lee) Production Co. Also seen in blue. (Thanks to C.S. Marshall.)
This mark has been erroneously attributed at times on the Internet to the William Lowe Pottery of England, but it actually represents a subsidiary of the Wong or Wah Lee Int. Co., Hong Kong., founded in 1995.
Identified as Ceramica Talavera Niveiro. (Thanks to Walter Del Pellegrino.)
This was a well known studio in Talavera de la Reina, Spain (not to be confused with Mexican Talavera pottery), active in the late 19th and early 20th centuries.
Identified as Holmes & Plant, Sylvester Pottery, Burslem, England. (Thanks to Helen a.k.a. catisfaction.)
This identification was confirmed by K. Perrin through research at the British National Archives, verifying that the device was registered December 23, 1884.