For discussion, see Jeremy D. Smoak, The Priestly Blessing in Inscription and Scripture: The Early History of Numbers 6:24–26 (Oxford: Oxford Univ. Press, 2015); Nadav Na’aman, “A New Appraisal of the Silver Amulets from Ketef Hinnom,” Israel Exploration Journal 61.2 (2011), pp. 184–195.