large group of matching all original and nicely aged late 19th century antique american interior residential eastlake style "ceylon" pattern dome-shaped doorknobs designed and fabricated by the p. & f. corbin co., new britain, ct. the large lot of highly desirable yellow brass antique american doorknobs were salvaged from multiple passage doors in a chicago house undergoing demolition. the banded rim doorknobs exhibit a mostly uniform surface patina throughout. the design pattern is found on the front and backside of each doorknob. priced for the lot of twelve.