GJ.HB 20a, 1966 2nd Philatelic Meetings with variety FLAGS OMITTED, MNH, excellent quality! (Image)

GJ.20b, 1966 River Plate philatelic meetings, with varieties: DOUBLE IMPRESSION of the stamp 15c. blue + a number of PAPER FOLDS, MNH, excellent quality, rare! (Image)

GJ.HB 20c, 1966 2nd Philatelic Meetings with very notable variety DOUBLE IMPRESSION OF RED COLOR, MNH, excellent quality! (Image)

GJ.129b, 2000 Libraries, with variety DOUBLE IMPRESSION of the text in Braille (embossed), MNH, excellent quality and very rare. NOTE: this variety will be included in the next edition of the GJ catalog under GJ.129b. We include a normal example for comparison (Image)

GJ.222P, 2010 Landscapes and maps of Argentina and Austria (mountains, lakes, etc), IMPERFORATE variety, excellent quality, rare! (Image)

GJ.238a, 2012 Flag 200th anniversary, with variety SILVER COLOR OMITTTED (without "REPUBLICA ARGENTINA - CORREO OFICIAL" inscription), extremely rare (only 4 or 5 examples are known), very fine quality! (Image)