Book on dating in your 30
1886 to mark the appointment of Henry Doulton as 'Potter to H. A simplified version showing only the coronet on a flat base and the word DOULTON was also used. The coronet was probably added to the earlier mark c. The Prince of Wales' (later King Edward VI 1), ENGLAND was added underneath after 1891. It appears to have been used instead of B.3 especially on bone china products and on the more expensive earthen wares. Several of these were adopted after 1882 by Doulton and remained in use for about twenty years. Occasionally found also between 19 along with B.7 but the later Holbein Wares were not always specifically marked.
However, the exact date of introduction is not known.
Many dated examples between 19 exist, and occasional examples dated between 19 have also been noted although B.8 was more generally used in those years (with the words MADE IN ENGLAND at the bottom of the mark in place of the single word ENGLAND).
This mark is still used on fine earthenware products such as Character Jugs.
This is the same as 13.9 except for the addition of the words BONE CHINA.
These hand-painted wares were not reproduced in great quantities and some items bearing RA-numbers would probably never have been repeated.