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1960's
1965 International Co-operation Year – South Vietnam First Day Cover | Global Unity — $7.95
1965 International Co-operation Year – Suriname First Day Cover | 20 Years of the UN — $7.95
1965 International Co-operation Year – Thailand First Day Cover | Global Unity Through Diplomacy — $7.95
1965 Mont Blanc Tunnel – France First Day Cover | Engineering Milestone — $7.95
1965 Mont Blanc Tunnel – Italy First Day Cover | Engineering Milestone — $7.95
1965 Regional Co-operation for Development – Pakistan RCD First Day Cover | Trilateral Alliance — $7.95
1966 Albert Einstein 8c — $4.95
1966 Año de Cooperación Internacional – Uruguay First Day Cover | Peace and Progress — $7.95

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1966 Mexico - Año de la Amistad Mexico Cento Americana .80 — $4.95

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1966 Mexico - Año Internacional del Arroz .40 — $4.95

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1966 Mexico - Cincuentenario de la Fundacion de la Escuela Superior de Ingenieria, Mecanica y Electrica .20 — $4.95

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1966 Mexico - Felix Ruben Garcia y Sarmiento 1.20 Ruben Dario — $4.95

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1966 Mexico - Fray Bartolomè del las Casas .20 — $4.95

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1966 Mexico - Visita Del Secretario General O.N.U .80 U Thant — $4.95

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1966 Mexico - XX Aniversario de la Unesco .80 — $4.95

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1967 Mexico - Año Internacional Del Turismo - .80 — $4.95

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1967 Mexico - Constitucion Plitica De Los Estados Unidos Mexicanos .40 — $4.95

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1967 Mexico - Constitucion Plitica De Los Estados Unidos Mexicanos .80 — $4.95

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1967 Mexico - Escuela Medico Militar .80 — $4.95
1967 Space Achievements — $3.95
1968 Mason "Brother" Henry Ford 12c — $3.95

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1968 Mexico - Escuela Nacional De Ingenieros (2) .40 — $4.95

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1968 Mexico - Escuela Nacional De Ingenieros .40 — $4.95

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1968 Mexico - Escuela Nacional De Preparatoria .40 — $4.95
1968, Voyage of the Nonsuch First Day Cover Canada – Canadian Exploration & Fur Trade History — $4.95

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1969 Mexico - LUNA69 $2 - Moon footprint — $4.95
U.S. 1962 8¢ Airmail Stamped Envelope First Day Cover – Chantilly, VA (November 17, 1962) — $4.95
U.S. 1962 Abraham Lincoln 5¢ First Day Cover – Springfield, IL (November 19, 1962) — $4.95