A process called "reflowing" is used in which two glazes are combined at high temperatures to create a "free flow" effect. Blue Mountain Pottery exported many pieces to the United States, Great Britain, the Caribbean and Australia.
Marks are incised or cut into the wet clay, impressed with a tool into the wet clay or stamped with a machine and ink on dry clay.
It was shipped around the world including Great Britian, Germany New Zealand and the U. is still popular by many and, as time goes on, will become much more difficult to find in perfect condition.
It is important to be able to identify Blue Mountain Pottery from other look-a-likes.
If you are serious about learning pottery marks or identifying pottery, you'll need Lois Lehner's Encyclopedia Of US Marks On Pottery, Porcelain and Clay along with the Kovels' New Dictionary of Marks.
The marks below are images we've captured on ceramics we have owned.