Never used.  Add a touch of vintage charm to your home decor with this beautiful Ball Perfect Mason Jar. Made in the United States between 1910 and 1923, this quart-sized jar features a lovely blue color and a classic jar shape. Use it to store cotton balls in your bathroom or display it on a shelf with your other collectibles. The jar is stamped with the iconic Ball logo and is in excellent condition. Whether you're a collector or just looking for a unique piece to add to your home, this vintage mason jar is sure to add character and style to any space. Was collected by Anchor Glass ceramic engineer who served as a corporate laboratory manager.  Bird swings evident on side of container, hence, why it was sent to the lab for inspection.