Belleek Marks
Belleek Pottery Company mark (1863-1891) Ott & Brewer belleek mark (c.1883-1894) Knowles, Taylor and Knowles belleek mark (1889+) Knowles, Taylor and Knowles lotus ware mark (1891-c.1898) Willets Manufacturing Company mark (1879-1912+) Ceramic Art Company mark (1894-1906)