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.