(Auxiliary Markings) 2¢ Black Jack - Auxiliary Covers, group of 8 covers including New York City "Held for Postage" straightline, New Orleans framed "Unclaimed" handstamp, Detroit "Returned to Writer" oval handstamp, Providence R.I. and Washington D.C. "Due 2" in circle handstamp, two manuscript "Due 2" covers from Louisville Ky and New York City, etc.; faults, Fine. Scott No. 73, 87, 93  Estimate $400 - 600. $0 (Image)