Also, jars with 13 on the base are rarer than single digit numbers. But all the double-digit numbers are rare. The numbers designated the position that the mold occupied on the glassmaking machine, and there were usually 8 or 10 positions on the machine. The higher numbers were used when a mold was replaced.

Why is there a shortage of Mason jars?

Though the mighty mason jar hasnt fallen from its throne online on sites like Pinterest and Instagram, the major jar and canning supply demand is due to the covid 19 pandemic of last year.

What are green mason jars worth?

While colors produced in recent years may look similar, be aware that they have quite different values than the vintage colors. The smaller and more common vintage jars usually sell for less than $20. However, the vintage green jars or those with special wire carriers can sell in excess of $300.

Does Atlas still make mason jars?

Likely youve heard of Ball. Theyre the most commonly used these days when it comes to canning and storage, along with Jardin and Kerr. However, Atlas came around later and is still a highly sought-after vintage mason jar.