four covers, each with stamp tied by purple "Boyd's City Despatch 1 Park Place, N.Y. Paid" oval, covers include: July 11, 1882 with Health Department cornercard and purple serifed "Special"; November 20, 1882 with sans-serif "Special.", ex-Knapp; January 6, 1883 with matching Maltese cross; and February 19, 1883 with cornercard for lithographers and printers; all very fine and choice, a nice selection of markings used on the last Boyd's stamps (Scott $400)