collection of approximately 88 covers and parcel fragments, representing a majority of the markings illustrated in the Piszkiewicz book, begins with an 1860s official business cover from the Chicago Custom House, 1913 incoming cover from Canada with "Passed By U.S. Customs Bureau, Chicago P.O." handstamp, various "Supposed to Contain Matter Prohibited Importation" handstamps, and much more, generally fine to very fine, being offered intact as this could form the basis of a wonderful exhibit, an under-explored segment of postal history, see discussion in the Piszkiewicz book (pages 530-44)