The image shows a ruler next to a coin with a picture of a man on it, resting on a surface.
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The image shows a ruler next to a coin with a picture of a man on it, resting on a surface. The coin appears to be a tetradrachm, a type of ancient Roman coin, with a diameter of approximately 1.5 mm. The man in the picture is wearing a crown and a long robe, and is holding a staff in one hand and a shield in the other.