Paul sustains a fairly thoroughgoing analogy between slavery and the Law, Gospel, Christ, and the Spirit in his letter to the Galatians. He uses the analogy in several ways, beginning—I would argue—with representing His Gospel as a ‘sale’ of Christ to the Galatians. The analogy with slavery allows Paul to make the case that his Gospel was given with full disclosure and was fully justified because Christ is effective. Roman Slavery When sold in the marketplace, a placard was sometimes hung about the neck of the slave, who stood on a box (cf. Lucian, Philosophies for Sale ). Roman law required that ‘any serious sickness from which the slave was suffering’ should be stated on the placard. [1] Aulus Gellius reports that formal Roman magistrates established a law regarding the purchase of slaves: "See to it that the sale ticket of each slave be so written that it can be known exactly what disease or defect each one has, which one is a runaway or a vagabond, or is st