William Hackwood, "Am I not a Man and a Brother?" black jasperrelief on yellow jasper, 1787.Hackwood, William:

Chief modeller for Josiah Wedgwood, Hackwood was commissioned to design the cameo for the abolitionist society. The "Am I not a man and a brother?" cameo was worn by abolitionists to promote their cause. The design consisted of a kneeling slave with chains, begging for his freedom.

Source: Patton, Sharon F. African-American Art. Oxford: Oxford University Press, 1998. 77.