Cast iron copper finish Vernacular style door knob set made by Trenton in 1887 catalog. The design is floral with old paint. It is part of the B-11600 group. The cast iron version was offered in the 1909 Skillman catalog. Good condition with surface wear from age. Priced as two door knobs, two back plates, and a spindle. The dimensions are Knob 2 in. D x 2.125 in. diameter, plate 5.75 in. H x 1.75 in. W x 0.125 in. D, drop 2.375 in., collar 0.625 in. D.