Mossman's & Co.'s Express, Dirigo. Nez Perces & Salmon River Mines (Idaho). Paid. frank (Haller FM10), printed express company frank in box composed of stellate ornaments, used with 3c ink on buff entire (U35), cancelled by 11-bar grid and matching mostly clear double circle Portland Or. datestamp, to San Francisco, insignificant edgewear and soiling, fresh and nearly very fine, very scarce, this company was actually several partnerships from 1861 to 1863, at one time included the eccentric poet C.H. 'Joaquin' Miller, and ran from Oregon into Washington and mining areas of Idaho, illustrated in Nathan, ex Barkhausen