Langton's Pioneer Express. Printed frank on 1861 3¢ pink entire to Sacramento with "Valuable" manuscript notation, also a "Paid" pencil notation, scarce "Langton's Pioneer Express From Downieville" black on yellow label on the back, exchanged with "Wells Fargo & Co.'s Express From Marysville" black on orange label (couple small abrasions) at upper right and partly folded over the top, edge creases, slightly reduced at right, Fine, a rare money letter conjunctive usage, ex-Hackett. Estimate  $500 - 750. $0 (Image)