RS58b R.C. & C.S. Clark 4c Private Die Medicine Stamp - ABC Design, Cleveland

Scott RS58b, 4c black proprietary revenue stamp issued by R. C. & C. S. Clark, Chemists, of Cleveland. Bold design featuring the large block letters "A B C" in ornate circular frames. Includes "U. S. INTER. REV." and "CHEMISTS - CLEVELAND" in the border text.