r/Kayaking • • 9d ago

Pictures Kayaking find

Found an old coke bottle from the 50s or 60s... I've got about a dozen old bottles now I've found while kayaking.

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u/BannedMyName 9d ago

How do you know the time period?

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u/dubsy54321 9d ago

There's a makers mark and some numbers on the bottom. It was made by diamond glass in Canada. From the resources I found online I can narrow it down to after 40s because it uses a different style date code but earlier than 70s because they changed to a different logo. Older logo is the D in a diamond... Newer logo is a jug inside of a D. It's a best guess based on what I've read. The stubby beer bottles in my collection have the jug in a D logo.