fully functional c. 1880's american eastlake style ornamental "ceylon" pattern interior residential passage door mortise lock designed and fabricated by the p. & f. corbin co., new britain, ct. the passage size mortise lock contains a stamped brass faceplate with original black enameled inlay. the latch and dead bolts are in working condition. measures 5 1/4 x 7/8 x 3 1/8 inches.