Early pieces at the Pottery closely reflected the arts and crafts era in which the Pottery was operating.
The pottery often depicted Louisiana's local flora, done in blue, yellow and green high glazes.
Most books and online sources will provide a date range for when a particular mark was used by a specific manufacturer.
Learning how to look up a pottery mark takes a little understanding of how the various marks are arranged.
He was followed by one of Newcomb Pottery's most recognized potters, Joseph Meyer, in 1896.
Notably, George Ohr was hired as a potter at approximately the same time as Joseph Meyer, but Ohr left Newcomb to work on his own sometime in 1897.
As the school entered the 1920s, new professors arrived and began to introduce influences from the 1913 International Exhibition of Modern Art.
Highly carved pieces done in matt glazes of blue, green and pink marked this period.
Unlike the artists who created and carved the designs for the Pottery, the potters were all men, as it was believed that a "male potter would be needed to work the clay, throw the pots, fire the kiln and handle the glazing." The first potter hired was Jules Garby in 1895.
True porcelain is translucent whereby the light is clearly transmitted through the body as shown by the two images shown. The image on the right is the same butter pat with a light behind it.
The conclusion is that marks on ceramics don’t tell the entire story. One of the most popular books available is Kovels’ New Dictionary of Marks which can be purchased by following the link below. There are other books for the more advanced collector as shown below.
Beginning in 1887, they added a flame above the letters. It is important to note that the pottery and marks of popular companies have been copied and faked for centuries.
Then after 1900 Rookwood they began using Roman numerals under the mark to indicate the last two digits of the year. Sèvres porcelain was so sought after that many prominent manufacturers copied both the Sèvres style and their marks.