Coca cola bottle dating
This site contains very limited information on specific companies that utilized bottles; such information is impossibly beyond the scope of this (or any) site (or book).
A bit more information is available on this site for this type of bottle by reviewing the the Bottle Typing/Diagnostic Shapes page and by looking through the Reference Sources/Bibliography page for potentially useful references.
This yields a "YES" answer to Question #2 and we know that this is a narrow mouth/bore machine-made bottle which very likely dates no earlier than 1905 and probably 1910. (Note: This section of the dating key is a series of independent questions where the answer to any given question is not dependent on the answer to another; a user may view the questions in any order.)In reading through "B", there are a couple other options available to help refine the dating a bit.
If one looks closely at the thick glass in the base of the bottle, one can see that the glass is not quite perfectly colorless, but instead has a slight "straw" or washed out amber tint to the glass (picture of base below).
Thus, under this question the bottle classifies under option "C" - Other Closure/Finish type with no further date refining possible under this question.
covers Applied Color Labels (ACL) which this bottle does have.
(Note: The "I" can appear as a dot in the middle of this mark like with this bottle, though on most it is a more or less distinctive "I".)Reading down through the narrative in Question #11, we find out that the number just to the right of the Diamond-O-I mark is the last two digits of the year the bottle was manufactured, which on this bottle is a "46".
This page provides some examples of how to use the website (primarily the Bottle Dating pages) to determine the approximate date or date range for various types of bottles made between the early 1800s and the mid-20th century.
We now have refined the bottle age range a bit more - between about 19.
have the distinctive "Diamond O-I" marking just under the "7".
This is a result of using arsenic and/or selenium as the glass decolorizer.
Looking at the two options under Question #8, it is clear (no pun intended) that this bottle matches refinement #2 which makes it highly probable that this bottle dates after 1920 and but probably no later than the 1960s.-It is made of thick, heavy glass for its size, weighing almost 1 lb.