Portland, Ore. Exposition Station/Sep 5, 1905. Machine flag cancel (Bomar P05-04) on four different covers all from the same correspondence with embossed or printed Expo cachet, two are legal size covers which have been refolded with Expo. seal affixed over fold (undoubtedly done contemporaneously), franked with 1902 Regular Issue single, values ranging from 5¢-10¢ (8¢ small defect), 6¢ cover with light stain, Very Fine. Estimate  $500 - 750. $0 (Image)