unmounted mint Spain, Christopher Columbus and Spanish-American Issues, 1930, selection of complete panes of twenty-five, comprising nos. C31-C40, C43-C45, C49, full o.g., never hinged, most sheets have small purple h.s. on the reverse of each stamp, perf. separations, some creasing and few minor imperfections, vast majority fine-very fine, Scott retail $351.25