NEW PURPLE 3 PC CRYSTAL FRONT DOOR KNOBS + plate USA MADE I PD $684.00 READ | eBay
Purple Skull Door Knobs Drawer Knobs (Set of 2) (#34) – www.skullsinspired.com
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Crystal Amethyst Colored Door Knob Set #GA140 – Governor's Architectural Antiques
Ballard Reuse - Ever wonder how some glass doorknobs turn purple? Before 1915, manganese dioxide was used to decolorize the greenish tint of glass caused by iron. It oxidizes the iron and
Early Purple Glass Knob COLH-901 - Classic Home Hardware