1861, 24¢ violet. Tied in combination with 30¢ orange + 1861-66 2¢ black by blue "Cincinnati O. Oct. 18" duplex cancels on yellow cover to Usingen, Germany, endorsed "Via Prussian Closed Mail", red "N. York Br. Pkt. 14 Paid Oct. 22" credit datestamp, magenta "Aachen Franco" transit handstamp, most of top backflap removed and small repair at top, 24¢ & 30¢ small tear, otherwise Very Fine, rare use of 24¢ "Cincinnati Violet" on cover with Black Jack to a foreign destination; with 2003 P.F. certificate. Scott No. 70c+70+73  Estimate $1,000 - 1,500. $0 (Image)