Sc.C2 + C3, lot of used examples, possibly with interesting cancels. It includes several pairs, 4 of them IMPERFORATE HORIZONTALLY, very interesting lot! (Image)

GJ.636/654, 1928 first airmail set (19 values), PROOFS printed in the original colors on glazed card, also including 3 proofs (NOT listed by Kneitschel) on thin paper of the values 5c., 18c. and 20c., fine to VF general quality (few with minor defects), VERY RARE LOT! (Image)

GJ.722b, 1932 Zeppelin 90c. in pair, one with "SOBPETASA" variety + other values, franking a cover flown by Zeppelin to Germany on 27/SE/1932, with arrival backstamp of Friedrichshafen, very fine quality. The value of the used stamps is US$120++ (Image)

DIFFERENT PAPERS: GJ.848, 1940 1.25P. Airplane, large block of 12 with end-of-roll double paper, joining 2 different papers: "With very visible watermark, bottom row, and with opaque watermark, top row", also the top stamps show a defective impression due to wear ("snowballs"), excellent quality, rare! (Image)

GJ.1254, 1963 11P. Stylized airplane, block of 10 stamps (top right sheet corner), the 2 on the left are normal, the 2 in the second column are much shorter and without "ARGENTINA", and the other 6 with "ARGENTINA" at left, fantastic and very rare!! (Image)

GJ.1338A, 1965 15P. Stylized airplane, corner block of 9 with very notable perforation and printing varieties due to due paper folds, so that in 2 stamps the CLARET COLOR is omitted (no face value or incriptions), and in other 4 stamps it is partially omitted. Spectacular and unique, great modern rarity! (Image)

GJ.1447, 1968 Vito Dumas (single-handed sailor), PROOFS printed on the paper used for the issue (with gum and watermarked), excellent quality, rare! (Image)

Good number (I estimate some hundreds) of airmail stamps, including high values and scarce material, also many examples of the overprinted issues of 1929/32 (with and without watermark) and there are different papers, and other varieties, very interesting lot, very few stamps with minor defects, most of fine to excellent quality. Yvert catalog value Euros 1000+ (Image)

Sc.C3, 1928 1S. on 20c. gray, 2 used stamps on fragments! (Image)

Yvert 173/178, 1950 Sport (football, tennis, track and field, etc.), set of 6 values with SPECIMEN overprint, MNH, excellent quality! (Image)

Sc.C1/C2 + C3/C5 + C6/C11 + C12/C23 + C24/C25 + C28/34 (sin 26/27) + C36/44 (without 35), the last 2 sets with some stains on the gum, the rest of very fine quality, low start! (Image)

Over 50 airmail stamps in mint blocks of 4, including high values and some variety, very fine general quality, high catalog value, good opportunity! ATTENTION: Please view all the photos of the lot, because all the stamps have been scanned (Image)

Aerovías Nacionales de Puerto Rico, inc.: Set of 6 values between 5c. and 1$ + another one overprint 15c on 10c., all in MNH blocks of 4, excellent quality, very nice! (Image)

Sc.C9, 1925 Gaucho on horse and airplane (Montevideo - Rincón flight) with VARIETY: "the 5 value touching the right frame", on a cover carried on the special flight, very fine quality! (Image)

Sc.C14/C25, 1928 Albatross, complete set of 12 values, mint lightly hinged, very fresh, VF! (Image)

Yvert 60/79, 1935 Pegasus, complete set of 20 mint values, VF quality! (Image)

Sc51/55, 1930/1 Pegasus, the 5 high values of the set, very nice! (Image)

Yvert 18/19, 1949 UPU 75 years, cmpl. set of 2 MNH values, very fine quality! (Image)

Yvert 345, 1951 coat of arms of Carabobo 90c., high value of the set, 20 MNH examples, excellent quality! (Image)

21/MAR/1930 Comodoro Rivadavia - Buenos Aires, registered airmail cover franked with 55c., carried by Aeroposta Argentina S.A., with Buenos Aires arrival mark of 24/MAR, very nice! (Image)

Airmail cover sent from B.Aires to Germany on 29/JUN/1934, flown by Zeppelin, with violet handstamp on front and Friedrichshafen arrival on back 6/JUL, VF quality! (Image)

Card of Air France with New Year greetings sent from Buenos Aires to France on 18/DE/1937 with special reduced rate of 35c., excellent quality! (Image)