Dating spode pottery
These continued until 1963 but their use was rather inconsistent and a great many pieces produced at this time are un-dated.
This continued until 1963 when 13 dots are arranged around the W.
These numbers were replaced with grey ones in August 1989 to reduce their visual impact.
At some point during the 1960s it became standard practice for the Royal Worcester factory to name all their tableware and dinner services.
This continued until the dots became un-manageable and then Worcester marks changed to different shapes, all printed beneath the circle.
In 1974 the current format of factory stamp was adopted.
The Evesham and Royal Garden patterns being just two examples.
Prior to this date named sets were uncommon, although there were some the majority of early named patterns were given the name in more recent times.
There are way too many to list here as it would take a whole new website to list them all!
The best reference book we have found is the Encyclopaedia of British Pottery and Porcelain Marks by Geoffrey A Godden and is probably the only book you will ever need.