Sep 11 Antique 1920 American Seth Thomas 4 Bell Sonora Chime Burl Walnut Mantle Clock POSTED BY admin IN antique Antique 1920 American Seth Thomas 4 Bell Sonora Chime Burl Walnut Mantle Clock. As pictured, missing key, missing back door, untested. Tags : american | antique | bell | burl | chime | clock | mantle | seth | sonora | thomas | walnut