Davenport Longport c1793 – 1887
1 and 2. Name impressed, sometimes with an anchor. Lower case letters 1793 – 1810, upper case after 1805.
3. Printed on stone china c1805 – 1820.
4. Printed c1795, sometimes with “Longport” instead of “Davenport.
5. Impressed on wares of all periods.
Doulton and Co. Ltd. Lambeth c1858 – 1956 and Burslem c1858 – present day.
1. Impressed c1858 onwards.
2 and 3. Painted or impressed c1882 – 1902. “England” added from 1891.
4. Printed or impressed c1887 – 1900.
5.Impressed c1881 – 1912. “England” added after 1891.
6. Impressed or printed c1872 onwards.
7. Impressed c1888 – 1898.
8. Standard impressed Doulton mark from 1902 onwards. “Made in England” on all wares from 1891.