Two small silver amulets excavated at Ketef Hinnom, near Jerusalem, and dated by most archaeologists to around the seventh or sixth century BCE, carry an inscribed version of the Aaronic Blessing, making them, by most reckonings, the oldest surviving fragment of any biblical text, predating even the earliest Dead Sea Scrolls by several centuries. Their discovery gave scholars direct physical evidence that this specific blessing formula, or something very close to it, was already fixed and in devotional use well before the biblical books that record it took their final form, a rare case where an inscribed artifact can be checked directly against a scriptural text transmitted for centuries afterward through manuscript copying alone.
The blessing itself, recorded in the book of Numbers as words God instructs Aaron and his sons to speak, moves through three parallel petitions, for blessing and protection, for the shining of God's face and grace, and for God's countenance and peace, each line slightly longer than the one before it in the original Hebrew, a deliberate escalating rhythm noted by scholars of biblical poetry. Its priestly origin ties it structurally to the Israelite cultic system centered on the Aaronic priesthood, even though its later liturgical life extended far beyond that original institutional context.