unused Block of Four 1910-13, 50c-$10.00 Revenues (R13-R16), unused blocks of four (last is R. margin block), fresh, full o.g., $1.00 never hinged, $5.00 small separation, also incl. complete set of singles of Hawaiian Officials (O1-O6), o.g., never hinged, fine-very fine lot, Scott retail $518.00