This list primarily includes marks that represent the actual glass company that made the container.
Many marks are encountered that indicate the company whose product was contained within it, or are trademarks (“brand names”) that give no indication of who actually made the glass, and those are (with quite a few exceptions) , not included in my list.
However, the general style, shape and glass color of a container can give strong clues to approximate age. That book is the best reference work ever published on glass manufacturers’ marks on bottles, but it does contain many errors which have been discovered over the last several decades since it’s publication. Fletcher, Norman “Ted” Oppelt, Dick Cole, Harvey Teal, Dean Six, Tom Neff, Albert Morin, John P. (Eventually, I may add a page on this site with lists of books by some of the above-named persons which I found to be of most value.
he has a Usually embossed on the base, marks may also appear on the lower heel area on certain types of bottles, especially sodas.
On earlier flasks, fruit jars, and soda bottles, and especially examples produced in the mid-nineteenth century period (1840s-1860s), the full factory name or initials may be embossed across the front.
The info presented on this site is the most accurate I’ve been able to find at present, but any comments (pro or con), clarifications or corrections (preferably backed up with , but please be aware that I’m not an appraisal service, and I may not respond to queries along the general lines of “what is this jar worth?
” and “is this bottle worth the hassle of listing on ebay? Generally speaking, I may not be able to answer questions concerning bottles with only mold or catalog numbers embossed on the base.
Researcher/historian Tod Von Mechow has compiled a large quantity of in-depth information on antique beer bottles, including both pottery and glass bottles.