When asked for what I consider to be the most compelling argument for the truth of Christianity, I often offer the cumulative force of the argument from prototypic foreshadowings of Christ and the new covenant which are so delicately interwoven into the Old Testament fabric. Just as one needs the Box Top to make sense of a jigsaw puzzle, so one needs Christ in order to properly understand what’s going on in the Old Testament. In this article, I present one of those foreshadows -- one that has direct relevance and application to the relationship between Islam and Christianity.