Dating english registration marks

The marks were often stamped irregularly into ceramics or metalware and printed on top of the glaze.Most marks have either not taken properly or have worn over time and are difficult to read.In the four corners of the diamond itself you will find four different numbers or letters.In the pictures shown here, the placeholders used are P for package number, Y for the year, M for the month and D for the day of registration.Illustrated below are the two forms of Design Registration Mark or Kite Mark used between the years – 1842 to 1883.The left hand image demonstrates a design registration mark for 12th November 1852 (K for November and D for 1852).In both cases the clerks simply forgot to change the letters.Exceptions (1868-1883): Between the 1st and 6th of March 1878 the letter 'W' was used for the year instead of 'D' and 'G' was used for the month in place of 'W' as the clerks had confused the respective year/month codes.

Other factors such as the colour of the mark, how it’s applied or the numbered codes within the design can often date a piece to the exact year it was produced and tell you where or who the specific artist was.With other words: this part of the registration information is irrelevant for collectors or people simply wanting to find out more about their item as it is merely a filing reference.Here is a table that shows the known month and year codes; take note that the month code letters were identical in both mark type periods.In direct comparison one can easily recognize that the fields P and M as well as D and Y were exchanged in the newer (type 2) version.The placeholder P (package number) is sometimes also referred to as 'bundle number' or 'manufacturer number', the latter being not quite correct.

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