Pottery & porcelain · a closer look

John Tams & Son Ltd mark: EST 1774 John Tams LTD Crown Pottery LONGTON PATENT, From 1912

Mark details

The source assigns this form to 1912 onward; Longton is the factory town.

1875–1890

Registration number 89660 dates the Mikado pattern registration to 1887.

c. 1875–1903

c. 1903–1912

Registration number 524969 dates the pattern registration to 1908.

c. 1905–1912

Registration number 463577 dates the Hop & Barley pattern to 1905.

From 1912

The source says this style continued into the 1960s; EST 1774 does not date John Tams’s business.

c. From 1912

The business incorporated in 1912; the source dates this Ltd form from about that year.