Hawaii, U.S. 1898, 5¢ dark blue, used with Tonga ½d dark blue. Both stamps tied by "Honolulu H. Isls. Jul 2, 1902 10AM" cds on cover to Hong Kong, China, Hong Kong receiving backstamp, light waterstaining and tiny tears at top, Fine, a very unusual combination. Scott No. US 281, Tonga 38  Estimate $300 - 400. $0 (Image)