1776
F. en C. Floury in Locmaria

Late 18th century
Pierre-Clément Caussy

Late 18th century
Rare scratched mark

Early 19th century
De La Hubaudière

1830
Imprint in grès

Around 1845
Eloury Porquier

Since 1847
Weduwe Porquier

First mark in 1860.
1870-1883 in blue, black or manganese.

1875 - 1906
Widow Porquier

1883 - 1904
Second mark in blue, black or manganese.

1894 - 1905
Porquier Beau.

1898
Adolphe Porquier.

1898
Madame Porquier.

1898 - 1917

Registered in 1883
Used since 1904

Since 1904

1904 - 1922
J. Henriot
Used since 1891.

Early 20th century.
Until 1922.
Henriot.

1914
Porquier-Beau after take-over by Henriot.

Since 1917