Antique Glass Bottle Markings. Other common markings include WT. The S is seen on the bottom of some hand-blown strapside liquor flasks usually in amber or blue-aqua and certain other bottles which are found in the eastern states.
Follow these steps to understand the markings on your bottle. Antique Glass Markings Although many antique glass pieces are unmarked there are a great number of pieces that do have glass markings. The S is seen on the bottom of some hand-blown strapside liquor flasks usually in amber or blue-aqua and certain other bottles which are found in the eastern states.
S on the base of bottlesIn some cases this mark was used by Lyndeboro Glass Company South Lyndeborough New Hampshire 1866-1888.
Finally refer to an antique bottle guide to determine if the shape color and lid of your jar is particularly rare or valuable. The front and back are absent of a label or embossing but embossed on the bottom is SF PGW. In the 1950s bottles began to feature painted labels. Beautiful Cold Glass Art as well as expert art glass repair art restoration.
