Ball Mason Jars.

 

Aqua Ball Perfect Mason Jar.

Below is a table that will help you date Mason jars.

Ball Mason, Perfect Mason, Ideal, and Special Wide Mouth Jars.

Looks to me like the aqua jar at the top of this post might fall in the 1933 - 1960 range.  That seems reasonable, especially considering the popularity of canning food during the WW II years.

It all started with John Landis Mason, a New Jersey-born tinsmith who, in the 1850s, was searching for a way to improve the relatively recent process of home canning. Up until then, home canning involved using wax to create an airtight seal above food. Jars were stoppered with corks, sealed with wax, then boiled. It was messy, and hardly foolproof. Before canning, people in cold climates relied largely on smoking, salting, drying and fermenting to keep themselves fed through winter...

In 1858, a 26-year-old Mason patented threaded screw-top jars “such as are intended to be air and water-tight.” The earliest mason jars were made from transparent aqua glass, and are often referred to by collectors as "Crowleytown Jars" as many believe they were first produced in the New Jersey village of Crowleytown. Unfortunately for Mason, he neglected to patent the rest of his invention—the rubber ring on the underside of the flat metal lids that is critical to the airtight seal, and made wax unnecessary—until 1868, a full decade later. By this point, mason jars were being manufactured widely. Mason tried to regain control of his invention, but after various court cases and failed business partnerships he was edged out. He died in 1902, allegedly penniless...

Here are a couple links for much more information on Ball Mason jars.

A Brief History of the Mason Jar | Smithsonian (smithsonianmag.com)

Ball Mason Jars: Quick Value & Dating Guide (Rare Finds) (antiquesknowhow.com)