Metallic sewing machine bobbin

This object is a small, metallic cylinder with circular flanges on both the top and bottom, consistent with a sewing machine bobbin. The item appears to be made of polished steel or a chrome-plated alloy, showing a reflective silver-toned finish. Each flange features a series of ten circular perforations evenly spaced around a central spindle hole. The central core is hollow to allow for attachment to a winding mechanism or placement within a bobbin case. The construction is characteristic of mass-produced sewing components intended for domestic or industrial machines. No maker's marks, brand logos, or part numbers are visible in the image, making a specific brand attribution (such as Singer or Brother) impossible without physical inspection. The item shows minor surface reflections and appears to be in clean condition, though fine scratches or manufacturing imperfections might be present. Its design is typical of mid-20th-century to modern-era sewing accessories. This identification as a generic sewing bobbin is based on the object's standardized architecture and lack of identifying labels.

Based on the image provided, I have examined this metallic sewing machine bobbin. The object appears to be a standard, mass-produced component, likely composed of chrome-plated steel or a similar alloy. Based on what I can see, the ten-hole perforation pattern suggests it is designed to fit a Class 15 sewing machine, though I cannot verify specific dimensions or compatibility with particular brands from a photo alone. The absence of visible manufacturer marks leads me to categorize this as a generic accessory rather than a branded vintage part. The value of $1.00 to $3.00 reflects the typical market rate for individual, pre-owned domestic sewing bobbins of this type in clean condition. In the current secondary market, demand for such items is generally low as they are easily replaceable with modern reproductions that retail in bulk for a similar per-unit cost. Because this is a utility item rather than a rare collectible, the valuation remains nominal regardless of brand. However, should physical inspection reveal a rare manufacturer's stamp or if it were confirmed to be a specific historical part for an antique industrial machine, the value might fluctuate slightly. To provide a more robust assessment, one would need to measure the item with a micrometer for exact fitment and perform a material test to distinguish between common steel and more specialized alloys. This estimate assumes the item functions as intended and is free of rust or structural warping, which cannot be fully determined without a physical trial.