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Any way to freshen up doorknobs like this or is replacing the best option? 7 in total : r/AusRenovation
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Gainsborough Genuine Porcelain Replacement Standard Door Knob (Genuine Ebony Black Porcelain, Satin Nickel Backplate) - Amazon.com
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Gainsborough Metaline Bright Brass Passage Hall & Closet Door Knob Set 605RGLBT - D. Lawless Hardware
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