Spain
Spain 1991 - National Philatelic Exhibition EXFILNA '91, Madrid
Spain 1977 -The 1000th Anniversary of Catalan Language
Spain 1987 -National Philatelic Exhibition EXFILNA `87, Gerona s/s
Spain 1979 -The 100th Anniversary of the Instute of Christian Brothers
Spain 1979 -International Philatelic Exhibition PHILASERDICA 1979, Sofia
Spain 1979 -The 8th International Mariology Congress
Spain 1980-The 100th Anniversary of the Birth of Ramon Perez de Ayala, 1880-1962
Spain 1982-The 100th Anniversary of Pablo Gargallo, 1881-1934
Spain 1983 -The 100th Anniversary of the Birth of Indalecio Prieto y Tuero
Spain 1967 -International Refrigeration Congress, Madrid
Spain 1986 - King Juan Carlos I - New Values