A splendid antique cast bronze Eastlake mortise lock, signed Nashua, c. 1880’s, featuring a double keyhole and a split-system function with push-buttons. The lock is ornamented three leaves against a spiral background. This mortise lock is in excellent working condition. The lock has a 2-7/8” backset. The faceplate measures 1-1/8” by 7-7/8”; the lock body is 4” deep and 4-3/4” tall.