20 Times People Had No Idea What They Were Looking At, But The Internet Knew

#11 Found In My Aunts “Treasure” Collection. Seems Like A Heavy Metal Weight Inside. What Is This Thing?

Answer: This is a “tracker pebble” used for tracking longshore drift. The pebbles have a serial number, are buried in a location and then refound further down the coast in the shingle by metal detector.

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