Block numbered in two places: 8355, also 1159 on small adhesive label on back of block., Image of several boys in a classroom holding slates in front of them; most look ahead but the boy in the foreground grasps his slate loosely in one hand and looks at the ground; a man stands to their side while another man on a small raised platform sits at or beside a desk; the floors of the room are wooden and there appears to be a map on the wall., Signed: B., "V. Grottenthaler, Phila." – Back of block. Vincent Grottenthaler is listed (as a dealer in boxwood) in Philadelphia city directories from 1867 to 1876., “[?] Bible” – Illegible writing on back of block.
