See the circular inscriptions from the 7th century B.C.E. in Pierre Bordreuil, Catalogue des Sceaux Ouest-Sémitiques Inscrits (Paris: Bibliothèque Nationale, 1986) pp. 63–64, #9 and Nahman Avigad, Corpus of West Semitic Stamp Seals (Jerusalem: Israel Exploration Society, 1977), pp. 51 #4, 281 #751.
