If you have a Ball jar, you can date most of them just by looking at the logo. Every few years, the Ball Manufacturing Co changed the logo and if you compare yours to a reliable chart, you know how old it is.
Secondly, are old blue mason jars safe to use?
ANTIQUE/VINTAGE JARS
Canning jars have a life expectancy of 10–13 years. After that, you will experience more breakage because of the wear and tear of normal use. Because of this, it is not recommended to use vintage or antique canning jars for food preservation.
Simply so, how do you date Golden Mason jars?
The two Ball jars are the right are dated by the lettering and underscore marking. The one of the left has an “a” loop and is dated 1910-33 while the one on the right has an open “B” loop and, with the underscore, was made between 1933-62.
How do you date Kerr Mason jars?
Check the jar from top to bottom. The Kerr name will be embossed on the glass. There are some general guidelines to approximate the date of a vintage Kerr jar between 1915 and 1930. The finish on a fruit jar can tell you roughly about the date it was made.
How do you date old Mason jars?
There are many ways to date old Ball mason jars, and one of the easiest is to look at the logo. Along with the logo, you can sometimes use the color, size, and other distinguishing marks to help date a mason jar.
How old are Knox Mason jars?
The Knox jars were made in the 1940s by the Knox Glass Bottle Co.
Is my mason jar worth anything?
Value depends on a lot of factors, but many canning jars sell for under $15. However, these are a few notable examples of what your canning jar could be worth: An antique Ball brand perfect Mason jar sold on eBay for about $80, likely because its deep olive green color is relatively rare.
What are Kerr Mason jars worth?
Typical values:
The value of antique Ball, Mason and Kerr canning jars varies greatly. Typical prics range from $8 to $25 a jar.
What Ball Mason jars are worth money?
The most valuable mason jars are:
- Van Vliet Improved Jar – $23,500.
- Black Amber Magic Star Fruit Jar – $3,000. …
- 1933 Ball Upside Down Error Jar – $1,000. There are two types of Ball upside-down Mason jars. …
- The 1870 Chief Mason Jar – $800. (Photo: gregspurgeon.com) …
- 1858 Willoughby Stopple Jar – $500. (Photo: hoosierjar.com) …
What can I do with old Mason jars?
Here are some fantastic ideas on how to use mason jars to bring light to your home.
- Turning Your Canning Jar into a Lamp.
- Mason Jar Chandelier.
- Replace glass globs with canning jars.
- Mason Jar Oil Lamp.
- Use Canning Jars as Candleholders.
What do the numbers on the bottom of blue mason jars mean?
Not every jar has their manufacture date on the glass, but most have the patent date. … There will be a large number on the bottom of your jar. This is the mold number, and unfortunately also has no relation to the manufacture date. These charts tell you the approximate decade in which your Ball jar was made.
What Mason jars are the most valuable?
And, because the Mason jar’s value depends on several factors, the prices vary from tens of dollars to thousands.
- Lightning Jar.
- EZ Seal by Hazel-Atlas.
- Mason’s Improved Jar.
- Mason’s Zinc Lid Jar.
- Amber Beaver Jar.
- The Chief Mason Jar.
- Willoughby Stopple Jar.
- Black Amber Magic Star Fruit Jar.
Why are Mason jars blue?
Feeling Blue
Those blue mason jars were mass produced until 1937 using sand from around Lake Michigan. It was that sand that gave the glass its blue hue. … Those mason jars were produced in clear, aqua, and amber colors. However, only four amber-colored jars were ever made, making it one of the rarest jars in the world.