1873, 6¢ dull pink + 2¢ brown + 3¢ green. Lovely 3-color franking paying the registry rate on an 1874 pre-printed buff cover from Pine River, Wis. to Elgin, Ill.; 2¢ with natural s.e. at right & 3¢ w few blunt perfs, Very Fine. Scott No. 159+157+158  Estimate $100 - 150. $0 (Image)