The Sevres Marks including the Double L and Double C marks

The double L was introduced in 1751 and in 1753 year letters were added to the Sevres mark

The Sevres Porcelain year cyphers began with an 'A' in 1753 and continued until 'Z' in 1777 these then moved to a 'AA' in 1778 and continued to 'PP' in 1793.

After 1793 the double L mark was replaced by the RF mark, which stood for République Française. This ocurred as the revolutionaries had overthrown the French king, king Louis XVI.

In 1803, the république period, as it was known, was followed by the consulate period

Sevres Marks 1751-53 Sevres Marks 1751-53 Sevres Marks 1751-53
1751-17531751-17531751-1753
Sevres Mark Sevres Mark Sevres Mark
175317551757
Sevres Mark Sevres Mark Sevres Mark
176417781814-1824

In 1804, the empire period began when Napoleon I Bonaparte proclaimed himself emperor of France.

In 1814, After the defeat of Napoleon at Waterloo, the monarchy was re-installed in France.

When Louis XVIII became the new king. the Sèvres factory re-introduced the double L mark and it continued to use it until 1824.

When Charles X succeeded Louis XVIII, the double L was replaced by the double C mark.

The Sevres double 'L' mark was copied by many other manufacturers.

This included contintental and british manufacturers such as Coalport, Derby & Minton and Paris, Potschappel and Limoges.