Portola Festival Oct. 19-23. Illustrated red on yellow cover with "San Francisco" looking invitingly to a man in a globe representing the world, Wellman-Robbins Mercantile Agency corner card to Boston, Mass., 2¢ carmine cancelled with Oakland, Cal. machine cancel, Extremely Fine, very scarce. Scott No. 332  Estimate $100 - 150. $0 (Image)