| Image | Description | Stock Code |
|---|
 | 1832 Maritime: cross-written E.L. from Buenos Aires addressed to Ayr, N. Britain endorsed "p. Emulous Pkt." (Naval packet) with manuscript "3/9" rating. Boxed additional "1/2" (half-penny) h/stamp in green for mail to Scotland plus, on reverse, light BUENOS AYRES/O Falmouth arrival marking also in green. Very fine £150 | AR/16331/C |
 | 1848 Maritime: E.L. from Buenos Aires (17 Apr) to Bath in England written at the time of the Anglo-French blockade endorsed "p. Spider Pkt." with superb BUENOS AYRES/0 Falmouth arrival in red with manuscript "2/7" rating. The Spider was a 10-gun naval brig that operated in the River Plate area £900 | AR/16333/C |
 | 1855 British PO: E.L. from Buenos Aires (1 Aug) to Cadiz in Spain endorsed "p. Canarias" with fine crown-circle PAID/AT/BUENOS AYRES and British PO backstamp. Disinfected by slits with SANTA CRUZ/CANARIAS b/stamp and circular "4R" rating in red overstruck by large "8R" rating in blue on arrival in Cadiz. A most attractive cover £900 | AR/16334/C |
 | 1859 Mensagieras: stampless cover from Villa de Mercedes (17 Jan) to Buenos Aires with fine oval "AGENCIA CALLE/RIVADAVIA 285" in blue with second strike alongside. Scarce SOLD | AR/16325/C |
 | 1860 Confederation: cover from Parana to Buenos Aires with fine good to large margined 1858 5c red tied by oval FRANCA with CORREOS DEL PARANA cds (31 May) alongside both in blue £180 | AR/16328/C |
 | 1860 c. Buenos Aires: cover addressed to Mercedes (Uruguay) with fine single 1859 1p blue good to large margins tied by double oval MERCEDES cancel on arrival. Faults but a unique usage SOLD | AR/16330/C |
 | 1867 : E.L. (8 Dec) from Bella Vista (Corrientes) to Buenos Aires endorsed inside "pr. Esmeralda" with 1867 perforated 5c Rivadavia on unwmkd paper tied by oval of dots cancel applied on arrival £300 | AR/16332/C |
 | 1875 Maritime: cover from Buenos Aires with sender's cachet to Marseilles endorsed "Par Orinoque" with 1868 5c ABN Co. issue tied by fancy mute circular cancel with cds alongside. "BUENOS-AYRES/PAQ.FR.J No.2" French paquebot datestamp (10 Apr) and manuscript "12" (decimes) arrival rating. Very fine £210 | AR/16329/C |
 | 1925 Airmail: first experimental Latecoere flight from Buenos Aires (21 Jan) with special envelope and cachet flown to Montevideo. Arrival b/stamp. The flight continued to Rio de Janeiro (Muller 13 var. - 4000 pts.) £150 | AR/16326/C |
 | 1929 Airmail: Aeroposta Argentina first flight from Comodoro Rivadavia to Buenos Aires (12 Sep) with special printed envelope signed by the pilot, Paul Vachet. (Muller 46 - 2500 pts.) SOLD | AR/16327/C |
