More to explore:
mason jars with zinc lids ~
Antique Root Canning Jar with Zinc Lid ca by BelleBeauAntiquarian
Vintage Crown Mason Quart Canning Jar With Glass Lid by ThingsOhio
purple antique mason jar
Old Mason jars
Antique Blue Mason Jar
blue mason jar
purple mason jar - this happens over time from a defect in the glass and makes them pricey.
Quart size cobalt blue embossed MASON�S CFJCo IMPROVED on front and CLYDE, N.Y. on back. Comes with a matching cobalt colored, unmarked insert that is perfect, and a good zinc band.