Seller: claudiaguinea (1,545) 100%, Location: Los Angeles, California, Ships to: US & many other countries, Item: 232868931143 Nice antique solid heavy bronze door knob. Russell & Erwin Co. Eastlake vernacular design in front and back. 2 1/4" diameter in very good conditions with original patina with heavy cast brass rosette K-10400 Design patent #D7093, January 6, 1874 by W. Gorman. Classic beauty, widely distributed. Shown in 1875 catalog, page 386. 2.5" Still shown in 1909 catalog. Rose shown with knob in 1875 catalog. School: Classic Manufacturer: Russell & Erwin Dates: C. 1874 Color: COPPER / BRONZE, Material: BRASS, Maker: Russell & Erwin Co.