Lot 788 - Antique Mason's Patent Canning Jars (4)
Lot of four antique glass Mason's Patent canning jars with zinc screw-on lids. Includes Mason's Patent 1858 and Glassboro Improved Trade Mark variants. Aqua and clear glass with embossed lettering. Late 19th century production. Some residue and minor cloudiness present. Condition: Good.

