Lot 42074 – 1889 (July 11). Registered 300r red postal stationery envelope from Rio de Janeiro to Buenos Aires, additionally franked with 1878-79 100r

1889 (July 11). Registered 300r red stationery envelope from Rio de Janeiro to Buenos Aires, upfranked with 1878-79 100r (200r for registration fee), tied by cork cancels, « REGISTRADO » oval and dispatch cds in red alongside, carried by the « Sakkarah » on her sole voyage as RSMC packet (during this trip, she made the last collection of Falkland Islands mail within the « Branch Line » scheme for Falklands mail), a very fine and rare mixed issue usage.