Vintage Brass-Toned Music Box Lid with Mother-of-Pearl Knob

This item is a circular, brass-toned metal music box lid, likely part of a larger music box or vanity item. It measures approximately 4-5 inches in diameter, though precise measurements are not available from the image. The primary material appears to be brass or a brass-plated metal, exhibiting a discernible patina consistent with age and exposure, ranging from lighter golden hues on the central embossed area to darker, almost olive-green tones on the outer rim. The construction is solid, indicating good craftsmanship, with a recessed central area and a raised outer rim. The most prominent feature is the detailed embossed or engraved floral and foliate design that forms a continuous border around the central circular panel. This intricate pattern suggests an Art Nouveau or early 20th-century aesthetic. At the very center of the lid is a small, round knob or button, approximately 0.5 to 0.75 inches in diameter, made of what appears to be mother-of-pearl or a similar iridescent material, adding an element of elegance and serving as a decorative focal point or potentially as a winding mechanism or activator for the music box. The central metal panel itself shows a brushed or cross-hatched texture beneath the patina and some visible scratching, indicating wear from use. There are a few areas, particularly along the embossed border and on the outer rim, where the patina is uneven or has minor dark spots, consistent with superficial age and handling rather than significant damage. No clear manufacturer's marks or signatures are visible in the provided images, which might be located on the underside or within the mechanism of the full music box. The overall condition suggests a vintage piece that has been used but generally well-preserved, with its aged appearance contributing to its charm and authenticity.