Dating by porcelain marks Italian video chat

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Painted marks are often in red and marks can also appear printed usually in blue or black, (although other colours were used) or impressed into the clay so appearing colourless.It is possible to have a combination of all three. Above is the image of a backstamp with the Spode name, the pattern number 967 and another small red cypher, which is a workman's mark. 1833 to 1847: the company was known as Copeland and Garrett.A diamond-shaped registry mark was used between 18.The information within the diamond changed after 1867.The standard printed factory mark, included the number 51 in the centre that refers to the year 1751 when the Worcester Porcelain Company was founded by Dr John Wall.The mark can appear in any colour, and on a variety of materials.The marks almost always included a code to indicate the year of manufacture.

From 1966 the date coding system was rarely used and from the mid 1960s, a different format of factory stamp was also adopted for bone china tableware.

After 1883, the diamond shape was discontinued and "Rd.

No.," followed by the number assigned to the ceramic, was used.

The date included is the year of introduction of the design, not the date of manufacture.

In April 1988 a system of year of manufacture identification that fitted with that used by Spode was introduced and an M within a diamond was incorporated below the factory mark.

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