The highly unusual daguerreotype below reflects in its silver surface a grim symbol of the early tumult that eventually culminated in the Civil War. Captain Jonathan Walker (1799-1878) was born on Cape Cod but operated out of Florida. He was strongly sympathetic to the abolitionist cause and in 1844 tried to help a group of seven slaves escape to the West Indies. The venture failed, and Walker was captured, fined six hundred dollars, and thrown into solitary confinement for a year. Before he was released, the letters S.S. were branded on the palm of his right hand. Of course, Walker’s captors hoped to disgrace him with the stigma of “Slave Stealer,” but Walker did not bear his scar with shame. For years he delivered antislavery lectures, and he inspired John Greenleaf Whittier, himself an implacable foe of slavery, to write the following thundering stanzas: