Vintage Glass mason Jar with glass lid Metal rim

Good vintage used condition, some rust on inside of metal rim which does not come into contact with the contents. 12 liquid oz / 350 mls. They are “Improved Gem made in Canada jars and approximately . I will list some similar ones and some different size and types. AI description Clear glass jar with a silver metal lid. Embossed with 'Improved Gem' and 'Made in Canada'.