However, for example sake we will continue through the questions.
Note: Consult the two part article by Bill Lockhart and Russ Hoenig (retired senior engineer for the ) - located at the links below - for more information on the history and marks of the Owens-Illinois Glass Company.
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.
The bottles used for illustration are a small but diverse assortment designed to give users guidance on how to work a bottle through the dating information to answer the Homepage's primary question #1 - What is the age of the bottle?
So at this point we know that this bottle was made in 1946.