siegel auctions Argentinenian Sale

1862 (without accent on “U”) 15c blue, position 51, unused, extreme rarity, only about 10 exist.

1867 (Unwatermarked) 10c green, unused without gum as issued, margins all around, excellent color, Another 864 10c green, unused without gum, large margins all around […]

1867 (Unwatermarked) 15c blue, unused without gum as issued, margins all around, brilliant color, pencil signed several times, v.f.

1899 Liberty, 5p orange & black, center inverted, well centered, v.f., Only 50 printed

1910 Centenary of the Republic, 1/2c black & gray, center inverted v.f., pencil signed, with 2002 PFC. Only 50 printed,

1910 Centenary of the Republic, 50c carmine and black, center inverted. Only 50 printed,

1910, Centenary of the Republic, 5p orange & violet, center inverted – Worth US$.750. Well centered, dried tropicalized (but not toned) gum, lightly hinged, v.f., […]

1920 5c gray blue, usual evenly toned gum, well centered, pencil signed,