Start Dating royal doulton stoneware

Dating royal doulton stoneware

See our early worcester for sale section for examples of sparrow beak jugs, Bute cups and Dr Wall period pieces.

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

In January 1989 new factory stamps were phased in with N in place of the M and soon afterward black numbers were introduced.

Sodium from the salt reacts with silica in the clay body to form a glassy coating of sodium silicate, hence salt glazed.

However on some pieces the old dot sequence continued for a few years.

After 1963 no Worcester dating system is used but patterns are all named and bear the date that they were first introduced.

This continued until 1963 when 13 dots are arranged around the W.

From 1867 until 1877 the code would either be the printed last two numbers of the year or a capital letter under the circle reprrsenting the date.