1929 (1 Nov) Plain airmail cover to Chubut First Flight by St Exupery 15c air and 5c red combination tied BAHIA BLANCA NOV 1 CDS, reverse with very fine stylised arrow / plane AERO POSTA / ARGENTINA (S.A.) cachet in violet and COMODORO RIVADAVIA arrival CDS on same day. 1st Nov datestamps despite Muller's listing on 31st Oct, only 30 covers flown. Muller 70: 5000 points.

1929-1931 Three airmail covers including 1929 Lineas Internas printed Va Aerea env to UK from BUZONISTAS / B.AIRES, 1930 (12 Dec) to Paris & 1931 (18 Feb) to Paris, nice trio.

1930 (19 Feb) NYBRA cachet first flight cover, printed VIA AEREA NYBRA envelope bearing combination of 5 adhs tied SERV. AEROPOST . BUENOS AIRES CDS and red boxed cachet for the flight to USA. Fine.

1935 Buenos Aires Philatelic Exhibition miniature sheet unmounted mint (couple light tones) 10c grey-green x 4 imperf, mainly very fine and fresh, SG MS654.

Early postal stationery group of 12 items mainly turn of the century unused incl reply cards unused for 2c black env design, 3c orange & 6c lilac embossed design, 2c & 4c later issues, envelopes embossed for 5c pink (2), 16c green, 6c card sunburst design etc, lovely group. (12).