1930 English cover to China with insufficient 4d K George V franking additionally bearing 10¢ and 2x 1¢ China Postage Dues in "Shanghai" on receipt, thence redirected to Italy where additional 1L, 30c and 20c Postage Dues applied then forwarded back to GB where 3d Postage Due applied, quite scarce TRIPLE due cover, vertical fold, a rare and highly interesting cover.
