It does unfortunately, I think, have the marking on the bottom H3 then what looks like a backwards 9 and then an S that looks kind of like a 5.
Press the Ctrl key to crouch down as seen by the silhouette at bottom left of screen.
There have been gobs of different kinds of liquid medicines aside from the most common such as cough syrups, tonics, laxatives such as castor oil, cod liver oil, etc packaged in glass bottles, so it might be difficult to identify exactly what was in the bottles, perhaps unless you consulted a druggist or chemist more acquainted with the way the products look and change over long periods of time.
Take the hook he left on the bar.
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The following information darker tan box below provides some general dating guidelines for this transition categorized by broad types or classes of bottles.
Can you give me more info about it.
Cambridge also made one during this same time period.
My favorite part is collecting it with the help of my husband and my 5 year old daughter.