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Need Help with Found Mason jar?

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spocky
13 years ago
AI Appraisal
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Description

 I have an old canning jar i found in my garage, it is a large jar that has a glass top that is held down by a metal clamp, there is a rubber seal on the bottom of this glass lid.. the lid has small bubbles in it.. The jar itself is a light aqua color, with what appears to be a shield with the words "Perfect Seal" inside. Below that are the words "wide mouth adjustable". The sides appear to be sealed via molding or machine, on the bottom of the jaw is the number 6, and that is it. Any ideas on how old this is?

Category Antique Bottles
Medium glass
Distinguishing marks molded letters/symbol, mold number 6 on bottom of jar, words "tighten" at the neck of the jar
Condition Excellent
Date Period 1960s?
History found in the garage at our old acreage, from previous owners who lived there before/during/after the 1960s
Price Paid (If known) found the jar
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