Yours is a screw top so it’s likely not older then the 1940’s.I have a similar bottle. Did you ever find out how to date this bottle? Here are pictures of the one I have. Thank you. Dean trebor5@comcast.net
No but my guess is mold numbersDid you ever find out what the numbers mean on the bottom of the bottle?
Thank you!I specialize in all things Anchor Hocking. I have a few hundred Anchor Hocking items in my collection. Your bottle was made at Plant 3, Winchester, Indiana. Your bottle is a standard/private mold, so this particular bottle does not have an exact date. But Anchorglass was used in the 1940's and 1950's.
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Your bottle was made at Plant 6, Salem, N.J. Also a standard/private mold just like the bottle "cowsgomoo" posted.I have a similar bottle. Did you ever find out how to date this bottle? Here are pictures of the one I have. Thank you. Dean trebor5@comcast.net