Milwaukie, Org. (1850-1929, later Milwaukee) extremely fine four margin 1851, 3¢ orange brown, horizontal pair tied by manuscript on Milwaukie O.T. manuscript cover to Illinois, the 6¢ prepaid the transcontinental rate applied from 1851 to 1855 - the orange-browns probably indicate an 1851 or 1852 use; back flaps defective, sealed tear at bottom center of envelope does not affect address, Very Fine and choice, One of the prettiest Oregon Territorials, the stamps extremely fresh with brilliant color (Rarity A). Scott No. 10  Estimate $1,000 - 1,500. $0 (Image)