Midwinter Fair Sta., S.F., Cal./Mar. 8, '94/Rec'd. Cds backstamp (Bomar SF94-03) on reverse of 2¢ Postal entire from San Francisco, addressed to "Midwinter Fair, Southern Cal. B'l'g, San Francisco", Very Fine and rare, less than 5 examples are recorded in Bomar, this being the new earliest known usage by two days. Estimate  $300 - 400. $0 (Image)