(San Francisco) San Francisco, Cal., Feb 1. Cds (SAF-420) tying 1851, 12¢ black, horizontal. pair + 3¢ dull red on 1855 cover to Paris, France, light "New York, Am. Packet" exchange cds additionally tying 3¢ stamp, Calais entry cds; light cover wear at left and 2¢ pair with small corner crease at bottom right from slightly overlapping cover, F.-V.F., a scarce British open mail rate via American Packet from the west coast. Scott No. 17+11A  Estimate $500 - 750. $0 (Image)