1870, 12¢ Dull Violet, large margin single, in combination with 1870, 6¢ carmine + 2¢ red brown, horizontal pair paying the 22¢ rate on fresh cover to Callao, Peru, leaf cork cancels and matching "Bristol, R.I., Apr 28" cds alongside, red "New York, 12, Apr 30" exchange cds, Extremely Fine and choice; with 1989 P.F. certificate. Scott No. 151+148+146  Estimate $1,500 - 2,000. A MAGNIFICENT GEM THREE-COLOR FRANKING USAGE TO CALLAO, PERU. $0 (Image)