How Old is Your Vintage Mason Jar?

I did a little shopping this weekend at some of my favorite antique shops!  And,  look what I found!  These old Ball jars. They are quart sized, blue jars and have sloped shoulders.  Some of the glass is wavy and many have bubbles.   I

How Old is Your Vintage Mason Jar? Vintage mason jars, Mason jars, Mason jar lighting

Jarmazing Products Blue Vintage Glass Mason Jars - Six Pack Pints - Regular Mouth - for Canning, Food Storage, Overnight Oats, Candies, Farmhouse

Rubbermaid Commercial Products Ball Canning JAR, us:one size, Quart Vintage Aqua, 32oz : Home & Kitchen

How to Date a Ball Jar — Minnetrista

History of Ball Mason Jars

DIY Custom Vintage Cookie Mason Jar Kit with YOUR recipe – CanningCrafts

How old is your Ball mason jar?

Authenticity, Repurposed, in a Mason Jar - The New York Times

Vintage Blue Aqua Ball Jars - Mason Jars Ball Jars Photography - Shabby Chic Ball Jar With Hearts Metal Print by Kathy Fornal - Fine Art America