1905 The Lewis and Clark Centennial and American Pacific Exposition and Oriental Fair (Portland, Ore.). A wonderful balance lot of covers with Expo. cancels & advertising, Expo. cards, trade cards, etc., included is three examples of the scarce Expo. slogan Rec'd cancel used as a cancel of origin, a few machine Expo. Station flag cancels, however the real value is in the huge & diverse range of mint & used Expo. cards, mixed condition, inspection is a must! Estimate  $2,000 - 3,000. $0 (Image)