Agate Hardstone Cameo Brooch Appraisal

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Agate Hardstone Cameo Brooch

This is a classical oval-shaped cameo brooch, likely carved from blue banded agate or dyed chalcedony, a material known as 'hardstone'. The piece features a high-relief profile of a young woman in an elegant, neo-classical style. She is depicted wearing a wide-brimmed hat decorated with intricate floral elements, with wavy hair emerging from beneath. The carving exhibits exceptional detail, particularly in the delicate facial features and the texture of the drapery on her garment. The white foreground figure contrasts sharply against a translucent slate-blue background, a characteristic of ultrasonic or precision machine carving often found in 20th-century German gemstone work (Idar-Oberstein region). The cameo is securely held in a polished yellow gold-tone metal frame, which shows a smooth, reflective bezel. The overall condition appears excellent, with no visible chips, cracks, or 'crazing' in the stone. The metalwork is bright with minimal surface scratching, indicating light wear. Though it echoes Victorian motifs, the crispness and style suggest a mid-to-late 20th-century manufacture. The craftsmanship is high-quality, showing refined proportions and anatomical accuracy in the profile.

Estimated Value

$450 - $650

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