Portland, Oreg./Exposition Sta. Rubber boxed handstamp (Bomar P05-06) tying 1902 2¢ (small perf defect) + 3¢ pair on legal size cover with printed Expo. Logo corner card, addressed to "Travelling Representative, Lewis and Clark Centennial Exposition, General Delivery, Missoula, Montana", 2¢ additionally tied by Expo. Station duplex cancel (Bomar P05-01), cover bit reduced at left & vert. toning strip at center, Very Fine strike of this rare Exposition marking, only 12 recorded. Estimate  $200 - 300. $0 (Image)