Glass Doorknob Appraisal

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Antique Fluted Lavender Glass Doorknob Set with Brass Spindle

This is a pair of antique dodecagonal (12-sided) fluted glass doorknobs, featuring a distinctive light lavender or amethyst hue. This specific color is a hallmark of early 20th-century glass (typically 1880-1920) containing manganese, which turned purple over decades of exposure to ultraviolet sunlight. The knobs are mounted onto heavy bronze or brass collars with a dark, natural aged patina. These collars are secured to a threaded steel spindle using original slotted set screws. The glass is pressed and faceted to provide both a decorative geometric aesthetic and an ergonomic grip. Regarding condition, the glass shows minor internal striations and tiny bubbles consistent with early manufacturing processes, while the metal hardware exhibits a rich, even oxidation and minor surface wear from use. There appear to be no major chips or cracks in the glass, and the threading on the spindle remains intact, indicating the set is functional. The high quality of the glass molding and the density of the metal components suggest high-quality hardware craftsmanship from the late Victorian to Early Craftsman era.

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$175.00 - $250.00

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