(Shades) 3¢ Experimental Orange Brown, Type II, Three Vertical Pairs, positions 28/38, 30/40, 29/39R1L, on cover to Astoria, Oregon Territory, each pair tied by blue "Philadelphia, Pa., Jan 6" cds, Very Fine, a remarkable triple rate usage to Oregon Territory bearing the scarce 3¢ experimental orange brown issue; with 2013 P.F. certificate. Scott No. 11A  Estimate $750 - 1,000. $0 (Image)