This is an Antique / Vintage William Gilbert 8-Day Mantel Clock Co Winsted, Conn. USA with replacement Key and original Pendulum. Measures 20" Wide x 9 7/8" tall x 5 1/4" deep. On the movement is a Gin a diamond and 25. Wants to run but too dirty, needs to be cleaned. Has a double strike gong, one rod is loose so will be shipped in an envelope so no damage to clock.  See photos.

ENJOY!!  :)