Decker & Sawins Express. Manuscript frank at bottom left on 1851 folded cover (with contents) from Marysville to San Francisco with red San Francisco, Cal. cds & matching "2" rate handstamp, straight line "Free" handstamp apparently struck in error, cover addressed to "Gen'l James Wilson", Very Fine and rare, an unlisted Express Company, ex Pearce, Walske. Estimate  $750 - 1,000. $0 (Image)