Yvert 39/43, 1930 Airplanes and battleships, color PROOFS printed on thick glazed stock card, excellent quality! (Image)

Yvert 84, 1935 Church of the Incarnation, 4 color PROOFS printed on paper, imperforate, excellent! (Image)

Label of 1P. Red Cross printed with the BLUE CENTER INVERTED, corner block of 4, MNH (with small hinge marks in the margins), VF! (Image)

Sc.4, 1878 5c. on 1r. rose, beautiful block of 4 used on 14/FE/1880, very fine quality, rare! (Image)

Yvert 14/16, 1881 Lions, COLOR PROOFS, 4 complete sets in black, blue, red and chestnut, excellent! (Image)

Sc.15, 1881 Lion 2c. red-rose WITH WATERMARK, mint, very fine quality, rare! (Image)

Yvert 95 + other values, 6 different PROOFS, imperforate pairs of excellent quality! (Image)

Yvert 266 + other values, 1927/9 proofs printed on glazed card stock, 7 different imperforate pairs, excellent quality! (Image)

Yvert 422/425, 1943 Columbus, complete set of 4 values with MUESTRA overprint, excellent quality! (Image)

Label for mailing letters without postage, due to the lack of stamps in COLONIA CARLOS PFANNL, used on fragment of year 1945, interesting! (Image)

Yvert 511/517 + A.217/24, 1955 Religion, complete set of 15 values with MUESTRA overprint, excellent! (Image)

Interesting lot of IMPERFORATE pairs and blocks of 4, most unused (one used), in general of fine to very fine quality (about 3 of the more modern pairs with small thins), large potential value, good opportunity! (Image)

Large stockbook with many stamps of all periods, used or mint (they can be without gum), mixed quality (some with defects, others of fine quality), high catalogue value, good opportunity at low start! ATTENTION: Please check ALL the photos of this lot in detail to get a better idea of its content! (Image)

Very interesting lot of old stamps, almost all used, fine quality, excellent general quality. Good opportunity to look for varieties and scarce cancels, very good opportunity! ATTENTION: please view ALL the photos of the lot, because all the stamps have been scanned. (Image)

IMPERFORATE PAIRS: 13 pairs completely or partially imperforate, all of excellent quality, very good lot! (Image)

Very attractive lot of VARIETIES and PROOFS, all of excellent quality, low start! (Image)

Provisionals of 1945/6, lot of proofs of overprints, also some varieties, little duplication, excellent quality, with a lot of potential and large retail value! (Image)

Lot of stamps and sets of 1960s, all IMPERFORATE, very fine quality, very thematic, high retail value! (Image)

Over 30 VERY THEMATIC FDC covers, all different, most of fine to VF quality, excellent opportunity for retail resale with important profit (market value US$10 or more each!) (Image)

Over 30 VERY THEMATIC FDC covers, all different, most of fine to VF quality, excellent opportunity for retail resale with important profit (market value US$10 or more each!) (Image)

Over 30 VERY THEMATIC FDC covers, all different, most of fine to VF quality, excellent opportunity for retail resale with important profit (market value US$10 or more each!) (Image)

Over 30 VERY THEMATIC FDC covers, all different, most of fine to VF quality, excellent opportunity for retail resale with important profit (market value US$10 or more each!) (Image)

Over 30 VERY THEMATIC FDC covers, all different, most of fine to VF quality, excellent opportunity for retail resale with important profit (market value US$10 or more each!) (Image)

Topic ANIMALS AND FLOWERS: 44 stamps overprinted MUESTRA, in general of very fine quality, very thematic and scarce with this overprint! (Image)

Topic TRAINS: 25 stamps overprinted MUESTRA, in general of very fine quality, very thematic and scarce with this overprint! (Image)