Not A Coin
The specialists told Kate that from the outside it may seem like a coin, but really it was a piedfort, which resembles a coin. Pieforts are a bit different than coins. They are double in weight and thickness.

Not A Coin
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An Understandable Mistake
It was normal that she accidentally confused the piedfort and coin, anyone that’s not an expert in the field would make a similar error. This sparked an interest in piedforts, and she wondered how one ended up in her backyard.

An Understandable Mistake