Seller: brokenspoke-27 (8,060) 100%, Location: Jonesville, North Carolina, Ships to: Worldwide, Item: 291867225710 Condition: Buy with confidence! We are licensed antiques dealers and our family has been dealing since the 1960's., Color: Black, Maker: unknown, Material: Porcelain, Details: Antique Door Knobs Pair of black porcelain knobs with fancy cast iron mounting posts. These knobs have not been cleaned, they have dirt-crud-surface rust. Dimensions: 2 1/4" diameter. Fits a standard 1/4" square shaft.. Condition: Dirty and the porcelain will have some finish scratches, NO chips or cracks. Where the mounting posts are leaded to the porcelain they are just a little loose = they are not falling off but do wobble a little. See pictures. God Loves You!!!