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Keep this all in mind as you progress through the key which follows and on into the other website pages.

It is apparent that the answer to Question 1 is " YES" since this bottle has raised embossing in the form of the "swirls" on the shoulder.

Figure shows a much newer beer bottle base probably from the 1950-1960 period.

But first a few words about straight side Coke bottles.

If not round, the post shape will be oval like the middle bottle pictured at the top of this webpage click to view that picture or the 1860-1880 "spice" bottle embossed J.

However, similar to so many other aspects of historic bottle dating, there are exceptions or variations based on the type or style of bottle and even bottle size.

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As noted, cup-bottom molds continued to be the mold type of choice on automatic bottle machines also Toulouse 1969b.