Large quantities of charred grape seeds were found in Stratum XIV (10th century B.C.E.) at Tell Michal. See Shmuel Moshkovitz, “Iron Age Stratigraphy and Architecture (Strata XIV-XII),” in Excavations at Tel Michal, Israel, ed. Ze’ev Herzog, George Rapp, Jr., and Ora Negbi (Minneapolis: Univ. of Minnesota, 1989), p. 64.