Reinkings Coast Express, mostly bold blue oval express company marking, used with clear blue double circle Smith's Ranch Cal. with ms. 'Sept 20, 1861' and 'Paid 3c', on cover to San Francisco, slightly reduced at left, trivial toning, otherwise fresh and nearly very fine, rare, the only recorded example, this small company is supposed to have operated along the coastal area north of San Francisco in 1861, partially illustrated in Nathan