| Front depicts a Black man in a blackface minstrelsy caricature, sitting on a large spool of Clark's O.N.T. Spool Cotton, holding a fishing rod. The text below reads 'I RECKON DIS YERE'S STRONG 'NUFF SUAH.' The back features a testimonial from San Francisco Sewing Machine Agents recommending Clark's O.N.T. Spool Cotton as the best, and their black thread as 'FAST BLACK,' listing numerous sewing machine brands. |
