1969 Paintings from the Life of Mary 1969 Airmail – Paintings from the Life of Mary 1969 Paintings from the Life of Mary 1969 Airmail – “Operation Friendship” 1969 “Apostles for Peace” 1969 Butterflies 1969 Airmail – Butterflies 1970 Butterflies 1970 Airmail – Butterflies 1970 Airmail – Issue of 1958 Overprinted “AEREO” and Surcharged 1970 Public Works Fiscal Stamps – Overprinted “TIMBRE DE LA CONSTRUCCION” and “POSTAL” and Surcharged 1970 Provincial Arms and Flags 1970 Airmail – Provincial Arms and Flags 1970 Revenue Stamps – Overprinted “1970 POSTAL” and Surcharged

1966 Airmail – Exploration of the Surface of the Moon 1967 Olympic Games – Mexico 1967 Airmail – Olympic Games – Mexico 1967 Airmail – Olympic Games – Mexico 1967 Airmail – Olympic Games – Mexico 1967 Olympic Games – Mexico 1967 Airmail – Olympic Games – Mexico 1967 Airmail – Olympic Games – Mexico 1967 Airmail – Olympic Games – Mexico 1967 Ibero-American Master Paintings – The 4th National Eucharistic Congress 1967 Airmail – Ibero-American Master Paintings – The 4th National Eucharistic Congress 1967 The 4th National Eucharistic Congress 1967 The 4th National Eucharistic Congress 1967 Madonnas 1967 Madonnas 1967 Previous Stamps Overprinted “RESELLO” and Surcharged