Civil War–dated LS signed “S. P. Chase,” one fragile onionskin page, 8 x 10.25, January 21, 1864. Letter to a district attorney in San Francisco. In part: “I have received your letter…that you have examined the title of the United States to the Custom House Block and find it good, and that you have given to occupants six months notice to quit…and suggesting that some offices be named to take possession of the property for the Government.” In very good condition, with overall toning and a tear to the right edge. Accompanied by three unrelated treasury letters signed by assistants or secretaries. RR Auction COA.