All it means is that a plate with two stamps was originally made as an undecorated blank by one company and decorated by another.
The marking in green usually indicates the maker, the other marking is that of the company that decorated of the piece.
Collectors are most interested in the French Limoges made before about 1930. If you're looking for genuine French Limoges, be aware that there are a lot of different marks.
Look for telltale marks under the glaze, not on it, on the back or bottom of the piece. A New York manufacturer that set up a Limoges factory, Bawo & Dotter, called their firm Elite Works and started turning out porcelain marked "Elite France" or "Elite Works France" in 1892.
Decorator La Tallec Limoges decorates all hand-painted creates Dinnerware and giftware.
They have been around since the 1930's and were taken over by Tiffany & co. They produce some of the most expensive and world renown porcelain in the world.
The importance of a proper identification cannot be overstated, as values for items like cabinet plates vary tremendously.
A plate described as a “late 19th-century portrait plate” could go for as little as , while a plate comparable to the this one that has been properly identified as the work of one of the better makers could sell at auction for more than 0.The process of identifying any item examined by an appraiser is based on a number of identifiers.In the case of pottery and porcelain, it often involves looking for manufacturing and company markings, many of which are well documented and some with only the barest of references. The plate in the first image is what’s generally referred to as a “cabinet plate,” meant for as a decorative display piece rather than for regular use.Authentic French Limoges is a porcelain item manufactured in Limoges, France made with the clay Kaolin.When determining if the trinket limoges box that you have is of value, you can authenticate that it was manufactured in Limoges and determine the time frame in which it was made by checking the mark on the bottom or back of the piece.The first porcelain factory opened in 1771, and belonged to brothers Massie and Fourneira Grellet.