Langton's Pioneer Express, Camptownville (Cal.), clear blue oval express company marking, matching 'Paid', used with clear blue double-lined oval 'Pacific Express Co., Marysville (Cal)', on 3c Red on buff Nesbitt entire (U10), indicia uncancelled, to Nevada City Cal., insignificant faint toning, fresh and very fine, attractive double express company use, scarce in this condition, it was at Silver City, Nevada that, on Aug. 24, 1864 Samuel Langton was accidentally thrown from his buggy, killing him at age 34