GJ.636/53, set without the high value, with "MUESTRA" ovpt., many are MNH (Image)

GJ.653 + 654, the 2 high values of the set, used (Image)

GJ.661, with VARIETY: right area of the blue overprint illegible due to fold, VF (Image)

GJ.716, with variety: Overprint with excess ink, along a normal example for comparison (Image)

GJ.722, with variety: Very shifted overprint (Image)

GJ.848, 2 blocks of 4, PROOFS, one printed on front and back, attractive (Image)

GJ.1253, marginal block of 4, VARIETY: printer imprint over the horizontal perforation (shifted perf) (Image)

GJ.14, 1P. light blue, clear impression, tiny thin on back, superb appearance (Image)

GJ.14, 1P. blue, clear impression, unused, small thins on back, very good front! (Image)

GJ.17, 1 P. blue, unused, with random VARIETY: small thin white line at bottom right, thins on back, rare! (Image)

GJ.21, 1P. dull rose, very lightly cancelled, minor thin on back, very good front (Image)

GJ.21, 1P. rose, with datestamp of Buenos Aires "S" of 6/AP/1865 (very late date), small thin on back (Image)

GJ.21k, 1P. rose, partial double impression, used in Buenos Aires, uncommon (Image)

Complete sheet of 48 self-adhesive cinderellas of "OSSEG" (Obra Social de Seguros), VF (Image)

10$ Cinderella of "Popular League of Fight Against Cancer", in block of 4 (Image)

GJ.1, 5c. small figures, strip of 5, types I to V, including GJ.1e with 2 dots after "CENTAV", VF quality (Image)

GJ.1d+1, 5c. small figures, block of 4, 2 with VARIETY: double period after the "5", VF (Image)

GJ.2, 10c. small figures, marginal block of 6, one with small thin on back, superb front (Image)

GJ.2, 10c. small figures, in green + yellow-green (Image)

GJ.2BID, 10c. small figures, diagonal half used as 5c. on fragment, with wreathed SALTA cancel with FRANCA (+60%), signed by Solari, excellent quality, very scarce! (Image)

GJ.3, 15c. small figures, with defect, fine appearance, low start (Image)

GJ.1, Un Real blue, pen cancelled, type 4, one just margin (Image)

GJ.3, 3c. light blue, type 4, one just margin (Image)

GJ.3, 3c. light blue, type 8, pen cancelled (Image)

GJ.4, 5c. yellow-green, type 5, pen cancelled, excellent quality (Image)