Dating collectable glass

This bottle is an Owens-Illinois Glass Company produced beer bottle made in 1941 by the Oakland, CA. If you are attempting to estimate the approximate manufacturing date - or age - of a particular bottle (or significant sized fragment) the first page to visit would be the Bottle Dating page and its related sub-pages.These pages lead a user through a series of questions about the physical - or morphological - characteristics of historic bottles which help to narrow down the age of an item.

In addition, there are a hundreds of dating and/or typing determination examples scattered throughout virtually every site page to give the user a feel for the processes involved in dating and/or typing a bottle.▪ Field archaeologists trying to identify and date bottles or bottle fragments which are found during cultural surveys and excavations in the United States; ▪ Educators dealing with the subject of historical archaeology; and ▪ Collectors and the general public trying to date a bottle, determine what it was used likely for, and/or begin their search for information dealing with the fascinating world of historic bottles.Some of the embossed markings on the bottle base above are a great information source for 20th century bottle identification; some are meaningless.In addition, this site also assists the user with these questions: 3.What technology, techniques, or processes were used to manufacture the bottle? Where did the bottle come from, i.e., where was it made and/or used? Where can I go for more information on historic bottles?