Royal worcester dating system
An item with a registry mark or number could have been produced before (less likely as the design would not be protected), or after the date of the registry mark.
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.
No mechanical processes were used and no two pieces produced were exactly the same.
Among the items preserved was the original potters wheel used by the Duesburys.
Among collectors the term Old Wedgwood is taken to refer to wares produced before Josiah's death in 1795. Josiah started marking his production with his name in about 1759, impressing the name into the underside of the article with printer's movable type.
The only way to gain an appreciation of the character of Old Wedgwood is to examine it, with the eye and with the finger tips.
The first letter of the code represents the month of manufacture, the second identified the potter who threw the shape and the last letter signifying the year the piece was made starting with . From 1907 on in the third series the first letter for the month is replaced by a 3 and with the fourth series commencing with A in 1924 with the figure 4.
A group of former employees set up a factory in King Street in Derby, and continued to use the moulds, patterns and trademarks of the original business, but not the name.
[It has been pointed out the this does not apply in all instances - as small items such as thimbles do not have the words MADE IN ENGLAND on them. In general Jasper pieces produced before 1860 were produced before 1826 except for black, blue, green and dipped pieces and solid white jasper which were resumed in 1844.
In fact Christmas thimbles dated 1990 still use WEDGWOOD ENGLAND] Before the advent of the dating system in 1860 one must look to other clues to date pieces described as marked WEDGWOOD only. Solid Black Jasper was produced between 1778 and about 1826; the white body dipped in black between 17 with production resumed in 1844 and continuing to the moderm era.
The base of the plate is marked Royal Worcester Vitreous over the Royal Worcester mark, and is also marked England.
The dating system for Royal Worcester Vitreous china is similar to that of Royal Worcester porcelain and is based on a variant of the dot system which in this case dates the plate to 1908The plate is just over 9 inches (22.9mm) in diameter and is in an excellent condition with no chips, cracks or repairs and virtually no wear to the decoration.
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In about 1769 he adopted the familiar mark with the name impressed from a single slug.