"Double Postage" and showing, on reverse, partially fine oval-framed "DACCA/POST PAID" (HG 3) and part Bengal G.P.O. Post Paid oval d.s. (HG SD2 with "JLY" month date still unchanged), London Ship Letter c.d.s. on face. A very rare usage of the "Double Postage" facility. The owner has only ever found two such covers. Photo

Details

"Double Postage" and showing, on reverse, partially fine oval-framed "DACCA/POST PAID" (HG 3) and part Bengal G.P.O. Post Paid oval d.s. (HG SD2 with "JLY" month date still unchanged), London Ship Letter c.d.s. on face. A very rare usage of the "Double Postage" facility. The owner has only ever found two such covers. Photo

Further details

Note: The Calcutta Gazette Notice of 9 August 1810 directed that "A separate Packet will be made up of letters, on which Dawk Postage may be paid, and on which the words "Double Postage" should be distictly written, in rather large characters, over the address, to be forwarded to London from the first British Port at which the ship may arrive"