They are well used and that is ok as long as they are in good condition. The ones that you might be more careful with are vintage or antique canning jars. The collectibles with wire bails and glass caps.

Are old blue mason jars safe to use?

Learn why you should retire old canning jars from their role of putting up food and treat them as antiques instead. Old canning jars are beautiful, but they are likely not safe to use in home canning.

What is the value of old blue mason jars?

Nowadays, you can even buy a big flat of Mason jars for pretty cheap at your local craft or household goods store — but the older ones can fetch much higher prices. Typically, the smaller or more common antique jars can go for about $20 apiece, but the more rare versions can sell for as much as $300.

Are blue canning jars worth anything?

Fruit jars were produced primarily in clear and “Ball blue” (aqua), but some amber, cobalt, and even milk glass examples can be found out there in the wild, and they are likely worth upwards of several hundred dollars.

How can you tell how old a blue mason jar is?

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.

Are old jars worth anything?

Understanding the Value of Antique Canning Jars. Value depends on a lot of factors, but many canning jars sell for under $15. According to Country Living, an upside-down Ball canning jar designed to rest on its lid is relatively rare and made between 1900 and 1910. Its valued at about $1,000.