Ayer's Cathartic Pills. {The Country Doctor.}. Lowell, MA: J.C. Ayer & Co., 1883. Approx. 7 1/4 x 12 1/2 in. cardstock die-cut counter display (light crease at doctor's face with Japanese tissue repair to verso, light wear to edges). Copyright statement to recto. verso features extensive advertising copy. The display features an elderly African-American man with an infant and a young boy administering Ayer's Pills. -- Ayer's Cathartic Pills. {The Country Doctor.}. Lowell, MA: J.C. Ayer & Co., 1883. 2 5/8 x 4 3/4 in. trade card (minor toning, small scuff to verso). Copyright statement to recto, advertising copy to verso. With the same scene as the die-cut counter advertisement. Stamped to verso: "A.E Teague, Druggist, Greenfield, Iowa." -- Granite Floor Paint. Manf'd only by Acme Whitelead & Color Works, Detroit, Mich. Detroit: The Calvert Lithograph Co., n.d. 5 3/4 x 3 1/8 in. color lithograph trade card (occasional very light stains, verso with paper residue). Printer information to recto, advertising copy to verso. With two vignettes featuring African American women commenting on the drying capabilities of Granite Floor Paint versus its competitor. -- Dixon's Carburet of Iron Stove Polish. [New York]: [Ronaldson Brothers], [1886]. Sight 6 x 4 5/8 in. color lithograph trade card (old creases); framed (not examined out of frame). Features "Brother Gardner address[ing] the Lime Kiln Club on the Virtues of Dixon's Stove Polish," caricatures originally devised by Charles Bertrand Lewis (M. Quad) in the Detroit Free Press. -- Together, 4 items.