China, Postage Dues, 1904, overprinted on Coiling Dragons, ½¢-10¢ complete (Chan D1-D6. Scott J1-J6), tied by "Canton" bilingual c.d.s. on reverse of 1904 (Apr. 27) local envelope, the front is franked with CIP ½¢ similarly cancelled, Fine to Very Fine, though philatelic, an interesting early usage of the first Postage Due issue. Est. HK$1,500-2,000 (Image1)