To identify the markings that appear on a piece of French Limoges porcelain, Look for an engraved name or initials on the bottom or back of the piece. An authentic mark appears under the glaze, not on top of it. Pieces that date after 1891 are marked with the word "France."
It can be challenging to identify a piece of French Limoges porcelain, because the pieces bear many different marks. Collectors are most interested in pieces that date before 1930. Items that bear the mark "AE" are some of the oldest pieces. These date from 1797 to 1868 from the Allund factory. The mark "CHF" appears on pieces from the same factory after Haviland and Company became the new owners. These pieces date from 1868 to 1898.
Independent artisans and smaller companies tended to omit the word "Limoges" and mark their pieces with names such as A. Lanternier or M. Redon. Red marks usually indicate a piece dating from 1900 to 1914, while green marks often indicate pieces dating from 1920 to 1932. Some pieces bear a combination of pictures and words that require a magnifying glass for identification. One example of this is a bird holding a flowing ribbon, which indicates a piece from the factory of Martin Freres and Brothers.