Four-page letter from J. M. M'Kim to S. H. Gay detailing the escape of slave [Henry 'Box' Brown] from Richmond [Virginia] to Philadelphia [Pennsylvania] via overland express in a box. M'Kim requests that Gay refrain from publishing the story, and to 'send him on' to Francis Jackson.
Receipt for wages paid to Oliver Johnson "for services performed in the Office of the Liberator in 1839" from Francis Jackson. Also signed in pencil "M & W Johnson" and note on bottom left "(Genl. Fessenden's pledge)."