San Diego, Cal/Apr. 1, 1915/Exposition Sta. Numeral "1". Duplex cancel (Bomar SD15-01) tying 2¢ Washington-Franklin on reverse of cover with Official corner card & imprint of the "Division of Exploitation & Publicity", cover with all over illustrated design showing a Bird's Eye View of the Expo. grounds on the front, original letter included on lovely illustrated Expo. letterhead in blue, Extremely Fine and attractive. Estimate  $150 - 200. $0 (Image)