cover Trans-Mississippi Exposition official postal cards (UPSS# EX89-EX98), complete set of ten official multicolor 1c postal cards, mixed set, all unused except #EX89 and EX95 which are used and have additional blue printing on the face (Bank of Omaha deposit totals), all cards have toning only on the reverse (not affecting the side with the Expo designs), some have small faults, otherwise fine-very fine set est.