This is a blue, shoulder seal, Ball “Mason” jar. Shoulder seal means that the sides of the jar are straighter, it has far less curve. You can date this one because of the line underneath the word “Ball”. It was produced from 1910-1923. It also comes with a zinc lid with a milk glass insert.
It is in good used condition. It has nice bubbles. Take a look at the pictures, and if you have questions, please e-mail.