Newell & Co's Express, Oregon, clear blue double oval express company marking, matching 'Collect' in oval, on blue folded cover datelined at Portland Ore. T. Nov. 7, 1851, to San Francisco, contents largely missing, fresh and extremely fine, rare, possibly the only example recorded, this company operated routes from Stockton to Sonora, and San Francisco to Portland Ore., 1851-1853, illustrated in Nathan (partial) and Forster