1867/70, Luis perforated, 10 reis orange, tied by dotted numeral "1" with adjacent c.d.s. "LISBOA 15/11 1868" to complete printed matter, privately carried from Buenos Ayres (stamp applied over the Argentine hand-stamped return address ), to Barcelone. A very fine and scarce transatlantic printed matter. Certificate Nucleo Filatelico (1997)
