Quart size Ball Mason canning jar with zinc lid, 7 1/2" high. The Ball script on the jar dates this to 1900 - 1910.
This canning jar has a number of internal bubbles and moderate whittling, or texture. The bottom ring is rough, as the jar has been made in a mold and finished by hand. The rim, too, has a large bubble and ridges.
All the above are desirable in old glass. The one defect I see is a slight roughness on one area of the rim.
The jar is a bit more green than other jars we have, though I would still call it aqua blue. The Ball zinc lid is in very good condition for its age.
Ball Mason Aqua Blue Green Quart Canning Jar with Zinc Lid - 1900-1910