(Siskiyou) Etna Mills, Cal., March 7, 1862. Forwarding cds with manuscript date (similar to SIS-1220) on Eagle and Shield with Star border patriotic cover to Etna, Oregon, franked with 1861, 3¢ rose tied by "Pittsfield, Ill., Jan 20, 1862" cds and target duplex, with original enclosure on matching patriotic letterhead; cover edge flaws and light soiling, Fine, a very scarce postmark. Estimate  $100 - 150. $0 (Image)