For your consideration is a vintage (3 3/8"T X 2 4/8"Rd.) Smaller Presto Supreme Mason Jar with its original aluminum Presto Lid with the white glass insert under the top of the lid. This jar was made for the Presto Co. by Owens Glass Co., which is marked on the bottom: 7, 3, (Vertical Oval with a Horizontal Diamond shape going across the center symbol), 1. This size jar with all the original accessories, (lid, etc.), is a hard to find jar, especially in this great of condition for its age! No cracks, chips, etc. noted!