1966-12-17: Juan Martín de Pueyrredon (1777-1850)

1966-12-17: Death Centenary of General Juan de Las Heras (1780-1866)

1966-12-17: Death Centenary of General Juan de Las Heras (1780-1866)

1966-12-17: Juan Martín de Pueyrredon (1777-1850)

1966-12-10: Argentina in the Antarctic - 1966

1966-11-26: Jean Bautista de La Salle (1651-1719) - La Salle College

1966-11-05: 75th Annivwersary of the Argentine National Bank

1966-11-05: 75th Annivwersary of the Argentine National Bank

1966-10-29: American Armies Conference - Map & Flags of the Americas

1966-10-22: Natural scientists

1966-10-08: Argentine Merchant Marine

1966-09-17: Argentine Writers - 1966

1966-09-10: Argentine Caritas Association - Three Crosses

1966-07-30: 150th Anniversary of the Declaration of Independence

1966-06-25: Argentine Philatelic Exposition 1966

1966-05-28: Personalities and Landscapes - Typo

1966-05-28: Army Day -1966

1966-05-20: Personalities and Landscapes - Recess

1966-05-14: 50 Years of Naval Aviation School - Ring-billed Gull

1966-04-23: Inauguration of W.H.O. Headquarters, Geneva

1966-04-23: Inauguration of W.H.O. Headquarters, Geneva

1966-04-20: 2nd Conference of Rioplatenses Philately

1966-04: Personalities and Landscapes - Photo

1966-03-26: Pro childhood 1966

1966-03-12: Dr. Sun Yat-Sen (1866-1925)

1966-03-12: Dr. Sun Yat-Sen (1866-1925)

1966-01-29: Pueyrredon paintings

1966: Personalities and Landscapes - Offset

1966: Official