UNITED STATES EXPO POSTCARDS AND COVERS COLLECTION, 21 total items, with expositions from 1907 Jamestown and on, frankings incl. e.g. nos. 300, 323,328-329, 331, 397, 650 Flat Plate Printing Globe and Airplane, 728-729, 773 view of San Diego Exposition, 902 frankings, entires U367, U522 150'th Anniversary of the Declaration of Independence, some FDCs relating to expositions, some wear, overall fine-very fine

$100