Lot 389 - Mason's Union Shield Aqua Glass Jar

Antique Mason's Union canning jar in aqua blue-green glass with embossed shield design and "MASON'S" and "UNION" lettering. Quart size with threaded mouth for screw-on lid. Air bubbles visible in glass indicate hand-blown or early machine production, dating to the 1860s-1870s era. No lid present. Condition: Good, with minor wear and no cracks or chips visible.