1866 cover (opened for display), franked with French perforated 40c & 80c Napoleon (Scott 27,28), tied by Anchor and dots cancel, used from the French Postal Agency in Buenos Aires to Switzerland, carried by the "SS Carmel", with maritime transit and Swiss arrival postmarks, some minor toning, otherwise fine (Image)

Est.US$500

1899 5p orange and black, center inverted, l.h., well centered, fresh and v.f., only 50 printed with a fair number tied up in large multiples, with handstamp guarantee, cat. $2750 (Cat No. 140a) (Image)

Cat. $2750, Est.US$1,500

1950 Centenary (San Martin), 10c, 20c, 50c and 75c imperforate panes of 50 on unwatermarked paper (folded vertically, affecting five sets), also Rivadavia (test stamps?), 3c blue imperf. (100+) and 3c red brown perf. (25+), overprinted "Muster" in black, scarce lot (Cat No. 587-88,590-91P) (Image)

Est.US$500