1861, 3¢ pigeon blood pink. Nicely centered, rich vibrant color, in combination with 1861, 3¢ rose pink on embossed hotel corner card cover to Kennebunkport Me., tied by boxed Paid handstamp with 3¢ pigeon blood pink additionally tied by red "Boston, Mass., Sep 20" cds, Very Fine, an Extremely Rare and Quite Possibly Unique 1861, 3¢ Pink Shade Combination, ex Brown, Haas; with 1973 P.F. certificate, signed S. Ashbrook on reverse. Scott No. 64a+64b  Estimate $4,000 - 6,000. $0 (Image)