FALKLANDS WAR: 1982, registered stationery envelope 20p blue from British Antarctic to United Kingdom, uprated by Penguins 13p blue black and green, tied with Rothera ''8.MR.82'' date stamp, Port Stanley (Falkland Islands) ''31.MR.82'' transit on reverse, shortly after Argentinean invasion cancelled on front by ''9409 Islas Malvinas. 6 ABR.1982'' marking, tiny part of scotch tape on front, still VF and scarce commercial mail in this turbulent period, Est. $200-$250 (Image)