Yvert 42/44, 1951 Alpinism Congress, on a first day cover, VF quality! (Image)

Sc.C8 + C10/C13, 1927 5 values of the set franking an airmail cover sent from Teheran to Bender, arrival backstamp, very nice! (Image)

Sc.C14, 1927 10k. franking a cover flown between Teheran and Bender, with arrival backstamp, handsome! (Image)

Yv.90/93, 1954 Inauguration of the airport of Khaldé, the set on card with first daypostmark, VF quality! (Image)

Yvert 50 (tete-beche pair) + 52 + 54, all IMPERFORATE, on 2 covers cancelled Casablanca 30/AU/1946, VF quality! (Image)

GJ.14, 1P. blue, clear impression, franking a folded cover sent from Buenos Aires to Rosario on 30/AP/1860, with nice pen cancel, VF quality, signed by Alberto Solari (Image)

GJ.17c, 1P. blue with variety: "1 without period" and also "BOENOS AIRES", franking a folded cover sent to Buenos Aires on 5/NO/1861, with nice pen cancel possibly of San Pedro, VF quality, signed by Alberto Solari (Image)

GJ.17, 1P. blue with variety: "ORKEOS" instead of "CORREOS", franking a folded cover dated 24/NO/1862 with pen cancel, probably of San Pedro, VF, rare variety on cover! Signed by Alberto Solari (Image)

9 Blocks of 4 of IBERIA cinderellas, interesting! (Image)

3 Covers (2 sent from USA to Argentina) with cinderellas of 1977, topic Religion. Also including a postcard, VF quality! (Image)

AVIATION: Lot of "by airmail" etiquettes and varied cinderellas, most of fine quality (some with small faults), interesting group! (Image)

GJ.3, yellow, ocher or lemon yellow, 4 examples franking folded covers sent to Corrientes (Lagrana archive) with varied pen cancels, possibly of Goya, Caa Catí and Bella Vista, interesting! (Image)

GJ.12, 5c. carmine-rose without accent, semi-worn plate, very nice example of ample margins franking a cover sent to Rosario in SE/1863, with mute dotted cancel of Buenos Aires, VF quality, with Alberto Solari certificate. (Image)

GJ.217, Pair ½c. Liberty franking a cover with PRINTER MATTER used in Buenos Aires on 30/DE/1905 and returned to sender. Scarce rate of 1c., very fine quality! (Image)

GJ.217, ½c. Seated Liberty in BLOCK OF 4 franking a cover with rate for printed matter (2c.) used locally in Buenos Aires on 29/SE/1904, VF and scarce! (Image)

RARE IMPERFORATE POSTAGE: GJ.222P, 5c. Seated Liberty IMPERFORATE franking a cover sent from Olivos to Buenos Aires on 4/FE/1905, VF and very rare! (Image)

GREAT RARITY: GJ.227PV, 15c. Seated Liberty in pair IMPERFORATE VERTICALLY + strips of 3 of values 2c. and 5c., also imperforate vertically, franking a registered cover used in Buenos Aires on 8/NO/1906. The 15c. pair is very rare and much more on cover (only 2 or 3 known), excellent quality! (Image)

Maximum card of the year 1959: Airport and plane taking off, VF quality! (Image)

RARE VARIETY ON COVER: Sc.313, 1925 Tero southern lapwing 5c. with printer imprint "Imprenta Nacional" with very notable variety COMPLETE DOUBLE IMPRESSION, franking a NON-philatelic cover sent to Buenos Aires on 28/JUN/1927, VF and rare! (Image)

Yvert 549/553, 1950 World Chess Championship, the set of 5 values on maximum cards, VF quality! (Image)

2 IRC of 1973 with nominal value of 12 Pesos Moneda Nacional + additional postage of stamps in Pesos Ley + Pesos Moneda Nacional, nice combination of different currencies, VF! (Image)

MAXIMUM CARDS: 9 cards of the years 1937 to 1946, VF! (Image)

OLD MAXIMUM CARDS: 3 cards of Hungary (1932), Egypt (1906) and USA (1946), VF quality! (Image)

MAXIMUM CARDS: 26 cards of varied countries, VF general quality, some very rare! (Image)

Group of FDC covers of 1950s, very thematic, some with small faults and others of fine quality, Yvert catalog value as used stamps over Euros 220 (Image)