Wells, Fargo & Co, Virginia City Pony Express, 1862-4, 10c brown, margins clear to large, showing portion of adjoining stamp at foot, tied to Wells Fargo & Co. 3c pink postal stationery cover, with printed frank, adhesive and indicia each cancelled by blue oval "Wells, Fargo & Co / Silver City, Utah / Express" oval, to San Francisco, professionally restored along either side, a most attractive and rare cover, examples from Silver City rather than Virginia City being rarely offered.