Mean ceramic dating
The pottery made plumbing fixtures long before and after the artware production.
Abingdon is a high-fired pottery much like Alamo and Gilmer, using a white clay body.
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.
Marks may also be created in the mold — and these are the most permanent.
Occasionally the mark was added to gifts produced for royal visitors.
Pottery identification has facets — clay color, glaze, shape and decoration are a few — but if you're lucky, the potter or pottery marked the item.
The marks below are images we've captured on ceramics we have owned.