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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).
On the 1st January 1884, the whole Victorian registration kitemark system changed.
All registered designs after that date were allocated a sequential number instead of a kite mark.
This translator gives an easy to use method of dating, and finding the manufacturer of, any antique glass item registered in England between 18 It can also be used to give the correct date of design registration for any china, metal, paper or other non-glass registered lozenge but NOT the manufacturer.
Firstly, You need to determine which Victorian time period the English glass registration lozenge (or Victorian glass registration 'diamond' date mark as it sometimes called) that you are translating belongs to by confirming in which corners the numbers and letters are in reference to the two lozenge diagrams above.
NOTE: British registered glass designs are always class III as shown at the top of each lozenge above.
So, if no registration result is returned then it means the combination of characters that were selected was incorrect (See 'Wildcards' below for further options).Below are web site links that can be helpful for identifying marks we might come across on open salts.These links will take you to outside web sites, so you will have to use your own browser's back button to return here.The number listed for each year in the table is the first number issued that year. If your number is higher, but less than the number for the next year, then your item had it's design registered during that year.The Public Record office and the British Government tend to enforce these marks and registration numbers.
The right hand image demonstrates a design registration mark for 22nd October 1875 (B for October and S for 1875).