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Antiquity-style Glass Oil Lamp with Diamond-Patterned Base

This is a vintage or antique glass oil lamp, likely dating from the late 19th to early 20th century, a common period for such utilitarian yet decorative household items. The lamp is constructed primarily of clear glass, featuring a two-part design: a reservoir at the base and a removable chimney. The base, which serves as the oil font, is made of thick, clear glass and has a distinctive pressed glass pattern. This pattern, often referred to as 'pineapple' or 'diamond cut,' consists of raised diamond-shaped facets across its lower half, adding both visual appeal and a degree of grip. The upper part of the reservoir is smooth. A metal collar, likely brass or nickel-plated brass, is affixed to the top of the glass reservoir, providing a threaded opening for the burner assembly. The burner itself, though not fully visible, appears to be standard for an oil lamp, featuring a wick holder and a mechanism for adjusting the wick's height; a red element, possibly a control knob or part of the wick, is visible inside the burner. Four metal prongs extend upwards from the burner, designed to secure the glass chimney in place. The chimney is a classic 'tulip' or 'bell' shape, widening from its base to a more bulbous body, then tapering inward before flaring slightly at the top. The glass of both the reservoir and chimney exhibits some haziness and dust accumulation, suggesting a lack of recent cleaning and potentially some age-related internal etching or film. No specific maker's marks or signatures are discernible from the image. The overall condition appears to be good for its age, with no apparent cracks or major chips, though the presence of dust indicates it has been in storage or on display for some time without maintenance. The craftsmanship is typical of mass-produced pressed glass of the era, focusing on functionality with decorative embellishments.