cover 1912 (1 Apr.) real photo card (steamship "Harpon" at Grytviken?) to Buenos Aires, bearing 1904-12 2½d. deep blue with light c.d.s.; traces of light foxing in places. An early use of this scarce shade which was only delivered to Port Stanley in February, and a rare stamp on a commercial card. R.P.S. Certificate (1984). Photo