Sale 64: The Donald Green Collection of U.S. Private Die Medicine Stamps

Lot 1687 o   

Kerr, Dr. J.C., 6¢ black, old paper, rich color, couple small sealed tears at top, otherwise F.-V.F., rare with only 31 recorded in the Aldrich census (of which 19 are reported to be faulty).
Scott No. RS160a    $1,000.