Dating minton marks not slimserver updating
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.
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.
Thus 14 indicates the year 1941 and 23 indicates 1950.
On some patterns, particularly on china, the date has been written in special ink.
It must be kept in mind that some patterns remained in production and usually kept the same number for many years.
The trade-marks were, however, changed several times between the 1880s and now, and these can help to establish the period of production.
By this time, of course, the lion and crown badge was in use so there need be no confusion.