RARE Vintage 1 Quart Square Ball Perfect Mason Clear Glass Jar Circa 1923 - 1933!!! Up for your consideration is an old and rare set of (4) Ball Perfect Mason Jars in clear color. This is a quart size jar with 2 seams running on the opposite corner sides indicating the old-day glass making process. There are 3 embossed vertical lines (ribbed) on three sides. Body has embossed "Ball PERFECT MASON" while Bottom has many concentric circles with different markings. *Total lot of jars includes (4) as follows: -Ball 'Perfect Mason', Made in USA, C16 clear quart jar. -Ball 'Perfect Mason', Made in USA, E4 clear quart jar. -Ball 'Perfect Mason', Made in USA, B2 clear quart jar with measurements on side of jar. -Ball, 'Perfect Mason', 2, clear quart jar. Brand/Maker: Ball Color: clear Measurement(w/o cap): 7" Tall, 2.50" rim to rim (top), 3.6" side to side (bottom) Size: 1 quart. Circa: 1923 - 1933 Rare and collector's items!! All in good condition, no lids.