Dating royal copenhagen backstamps
Robert Allen and artists in his studio were often allocated RA-numbers for their hand-painted wares designed and decorated by them.
The RA numbers are mostly hand-written and accompany the standard Doulton marks.
Below is a pictorial catalog of manufacturer trademarks.
Doulton continued, intially, to use the base marks of PINDER BOURNE & CO and/or the initials P. Together with some additional hints that may help with dating your Doulton pottery, porcelain and stoneware. The figurine was therefore produced in 1937 The following numbers indicate the approximate date range or period when the marked item was first introduced.
There is an old rule of thumb for dating Doulton figurines; where you add 27 to the small and hardly visable number to the right of the Doulton backstamp. That is not to say that your item was produced in that year but simply that the year indicated is the earliest the piece could have been produced.
Later Nils Thorsson took the manufactory into the new and final era in the period 1928-1969.15.
1922 the rubber stamp "Kbenhavns Fajance Fabrik Danmark" (The Faience manufactory of Copenhagen: It is seen in different sizes.