1986 International Stamp Exhibition “Ameripex ’86” – Chicago, U.S.A.
1986 International Stamp Exhibition “Ameripex ’86” – Chicago, U.S.A.
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1986 The 400th Anniversary of the Birth of St. Rosa of Lima
1986 The 400th Anniversary of the Birth of St. Rosa of Lima
1986 The 25th Anniversary of Inter-American Development Bank
1986 The 25th Anniversary of Inter-American Development Bank
1986 The 450th Anniversary of Valparaiso
1986 The 450th Anniversary of Valparaiso