Perko Antique Brass Gimbal Oil

Perko antique brass gimbal oil lamp for a boat or ship. The base is weighted and the font swings on the mounting bracket for sailing on water. There is no burner. The hole is 1-1/8" for a #2 size burner. The only condition issue we can find are the age cracks on the weighted base. See photos. The lamp needs a good cleaning or it has an old patina. Measures about 5-1/2" tall x 5-1/2" wide. The mounting bracket is 2-3/8" diameter.