This cast brass door set is from the "Columbian" line by Reading. The fanciful designs feature dolphins cavorting on the plates and Victorian swirls around the banded-edge knobs. The brass faceplate of the mortise lock is unadorned. Plates measure 2 1/2" by 6 1/4". Doorknobs are 2 1/2". Mortise lock plate is 7/8" by 5 1/4"; backset is 2 3/8" and total depth is 3 1/8".