Forwarded By Browns Express. Blue double-lined oval handstamp and "1.50" matching blue handstamped rate marking on stampless cover to Stockton, where taken out of the mails for delivery in the mines, cover originally mailed from San Francisco with balloon cds and "5" handstamped rate marking, "pr favr of Capt Crowel" sender's endorsement, handstamped with "Advertised" blue oval handstamp and "CC" pencil notation applied by the Stockton Post Office prior to Browns taking charge of the cover, Very Fine, ex-Haas, Cover illustrated in Coburn's Letters of Gold (page 178). A most unusual California advertised cover ultimately delivered by express. Estimate  $300 - 400. $0 (Image)