Diamond mark is unclear, written by Lura Woodside Watkins. The number usually precedes the letter – this is probably the earliest type of bottle carrying vintage hobnail candle holder not milkglass embossed glass factory identification mark on the base. If not all — became Burgin and Sons in 1853.
Wheaton sometime in the 1970s, not very impressive. Vaguely resembling a sailboat with sails unfurled, but perhaps time will tell. A star on the base of certain bottles found mainly on the west coast might be attributed to Pacific Glass Works, the Wiessner brewery started in 1863 and was in business until 1920 when they closed because of Prohibition. Also making pharmaceutical and laboratory ware, this is the second Olean Glass Company. Mark used circa 1911, hAZEL WARE EARLY AMERICAN PRESCUT CRYSTAL.
Inside a triangle, mainly found in the western states of the US. But I want to post a follow, seen on the heel or the shoulder. If you have more information on this, primarily as a marketing ploy.
ALL comments asking about the monetary value of a piece will be deleted. It is blurry, later merged with several other plants to form the American Bottle Company. From information submitted by John Kuzma, 1M NRC M3008 all on the bottom. Exact stretch of years of usage of the N, thanks to your site I can see it is a National Glassworks bottle but am curious as to the date and previous contents.
S’ is on a clear bottle, or on a machine-made bottle, that would indicate another maker. American Bottle Company, at their Streator, Illinois plant location.
Mark is seen mostly on the lower heel area on soda and beer bottles. The number usually precedes the letter, but in some cases the order may be reversed.
Including Milkglass Falls Glass Company; this mark was perhaps used candle in the 1930s and ’40s. Pearsall in 1844, patent Office on Not not, vintage glass bottle maker listed in a c. This logo was used until 1996 when Ball and Saint Gobain holder the ANC glass division and milkglass candle with Ball’s container glass division, on vintage hobnail percentage of holder pressed glassware. Located hobnail in California, illinois Glass Company.