What is this thing? Found on my parents property after an old barn was torn down. Measures roughly 4’ x 2’. Made of solid cast iron. At least 60-70 years old. Has hinges on the back side and fixtures on the front to lock the lid. (Now missing).

What is this thing? Found on my parents property after an old barn was torn down. Measures roughly 4’ x 2’. Made of solid cast iron. At least 60-70 years old. Has hinges on the back side and fixtures on the front to lock the lid. (Now missing).

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