GJ.HB 20a, 2nd Philatelic Meetings of the River Plate, with variety: Flags omitted, VF quality, rare! (Image)

GJ.HB 20f, 2nd Philatelic conferences of the River Plate, variety: VERY shifted impression of the flags, VF, rare! (Image)

GJ.HB 22, Declaration of Independence 150 years, complete sheet with first day postmarks, VF (Image)

GJ.HB 26, Argentina '78 Football World Cup, with first day postmark, VF (Image)

GJ.HB 34/7, Buenos Aires '80 intl. philatelic expo, Ships, cmpl. set of 4 s.sheets with first day postmark, VF (Image)

GJ.HB 64, Prenfil 88, carriage of electric train, IMPERFORATE s.sheet, fantastic, VF quality, extremely rare! (Image)

GJ.HB 66, Prenfil 88, GT-22 locomotive, IMPERFORATE S.SHEET, excellent quality, very rare! (Image)

GJ.HB 78a, French Revolution 200 years, with variety: Double impression of gold color, VF (Image)

GJ.HB 79, Immigration to Argentina, on FDC cover, VF (Image)

GJ.HB 90, airmail, Aerofilade 90, on registered cover sent from Buenos Aires to Montreal on 4/SE/1990, franked with A16,100, VF quality (Image)

GJ.HB 99, Comics (I), VF quality (Image)

GJ.HB 101, Earth Summit, VF (Image)

GJ.HB 108, Aerophilately expo, on cover sent from B.Aires to Canada on 17/JUL/1995, franked with $3.25, VF (Image)

GJ.HB 113, 100 Years of first electric tram of Buenos Aires, VF (Image)

GJ.HB 116, Humor and comics (II), VF (Image)

GJ.HB 178, 2007/8 Intl. Polar Year, VF quality (Image)

GJ.HB 202, Sheep, VF quality (Image)

GJ.HB 216, Oath 25 May 1810, on FDC cover, VF (Image)