Cobalt blue glass Mason-style decorative jar featuring embossed “Mason’s Patent No. 30th 1858” lettering. Additional patent-style embossing on reverse/base. Includes metal screw-on lid.Measures approximately 6” tall × 3” wide.Beautiful deep cobalt blue color. Pre-owned condition with some spotting/residue and signs of age/use visible in the glass. Please review photos closely for exact condition.Great decorative piece for a vintage bottle, fruit jar, cobalt glass, or farmhouse collection.
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