Forwarded by Todd's Express, San Francisco, bold blue oval express company marking, matching 'Not Paid' in double-lined octagon, on brown cover to Tuttletown Cal. 'near Sonora', insignificant edge toning spots, still fresh and very fine, scarce in this condition, one of the several markings used by this otherwise short-lived company, April 1852 - Sept. 1853, illustrated in Nathan