Midwinter Fair Sta. S.F., Cal/May 2, 1894/Rec'd. Cds (Bomar SF94-03) on reverse of 1¢ Reply card, used on May 3 to Oakland & postmarked with two strikes of Midwinter Fair duplex cancel numeral "1" (Bomar SF94-01), Very Fine, a very rare Expo. Received marking with less than 5 recorded examples. Estimate  $300 - 400. $0 (Image)