press" cancellations often feature a running pony andsometimes private carriers would apply markings, one ofthe most famous of the latter being the "Noisy Carrier"of San Francisco.
Cover carried by Langton's Pioneer Express, one ofthe early express companies operating in Californiaabout 1865. There were many of these express com-panies who carried mail, most famous of which wouldbe Wells, Fargo, & Co. The company "franks," usu-ally printed at upper left are greatly prized by collec-tors when on covers properly used and cancelled.Such covers were often carried completely outside ofthe mail being handled entirely by the express companies.