Period
1890s
Backstamp 1
Ribbon Mark
Comments
Approx 1890 - 1893

This is the first known backstamp used by Wiltshaw & Robinson when the pottery was formed, around 1890.
Period
1890s
Comments
c1894 - c1926.

This mark is usually in blue, but also appears in blrown, black and gold on lustre wares.
Comments
1926-1987

This mark was in use for more than 60 years. It comes with many variants.

Usually in blue or black, and rarely, gold.