San Francisco Cal Rec?d/Mar. 19, 1915/Model P.O. Sta. Nice strike of cds (Bomar SF15-07) on 1¢ Postal card additionally cancelled with Model P.O. Sta. duplex cancel (Bomar SF15-01) and scarce Expo. oval "San Francisco, Cal./M.P.O." (Model Post Office) (Bomar SF15-05A), Extremely Fine, this is one of the great rareties of the Panama-Pacific Exposition with this being only the second recorded example of the Received marking. Estimate  $750 - 1,000. $0 (Image)