Langton's Express, Downieville. Red oval handstamp tying clear to ample margin 1851, 3¢ dull red on cover to San Francisco, entered the mails with blue "Marysville, Cal., Jun 25" cds and matching "Paid" handstamp additionally tying stamp, with original 1852 enclosure regarding sending from Cox's Barr by Langton's, Very Fine. Scott No. 11  Estimate $400 - 600. $0 (Image)