MASON'S CFJCo IMPROVED BUTTER JAR
Redbook 1688. Half-gallon Mason's with the original lid (16870). These jars come in a few different sizes and this clear glass along with aqua variants. This has the original glass and zinc screw-on lid. It has the ground lip which is perfect. Really has not been touched since it was left in a barn many years ago. About perfect with touch of amethyst.