1863, 24¢ gray + 1861 3¢ rose. Tied by bold strike of circle of wedges and "Chicago Ill. Oct. 10" circular datestamp on 1866 cover to Louvain, Belgium, markings include red "N. York Am. Pkt. Paid 7 Oct. 13" credit datestamp, receiving backstamp, Very Fine, scarce usage paying the 27¢ rate via Belgian Closed Mail. Scott No. 78b+65  Estimate $300 - 400. $0 (Image)