Block numbered in two places: 6314., Image of a man, possibly a young man, in a prison cell reading a book while sitting on his bed; a basin sits on a table under the barred window, and a ledge or mantel is visible on the wall., Signed: G.G. [i.e., George Gilbert]., “N.J. Wemmer. 215 Pear St. Phila.” – Back of block in two places. Boxwood dealer Nelson J. Wemmer is listed at this address in Philadelphia city directories from 1861 to 1876., “Am.S.S.U” – Back of block in three places., “In Prison.” – Inscribed on side of block.