A Closer Look
This strange antique was made of [material — e.g., brass, glass, or wood] and had [describe unique features: openings, levers, compartments, or engravings]. It looked like it belonged in a museum rather than a modern home, but its size and craftsmanship suggested it had a practical purpose.
Many people might glance at it and assume it was decorative, or perhaps an old kitchen or office tool. But its real function was both clever and unexpected.