USA stamps are from the 1970s - when I began stamp collecting. I always asked, where are stamps of Ukraine? Black and blue palette in the image - nice. Eisenhower stamps had several versions. Frank Lloyd Wright has Chicago area connections . . .
Good question about the stamps in this period only "Підпільна пошта України" thanks Ukrainian diaspora. By the way the pages in the English version of Wikipedia seems to be no. for anyone who collectshttp://aukro.ua/marki-ukraina-31976