Art Deco style brass plated steel back plate with a lock insert. The original mounting screws are not available. Good condition with surface wear from storage. Old new stock - old but never used. Priced each. The manufacturer and exact date of creation are unknown. The dimensions are 10.5 in. H x 3 in. W x 0.5 in. D, collar 0.75 in. diameter, lock hole 1.375 in. diameter, drop 3.875 in.