1991 Year 35 stamps
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Christmas
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1991 - Manifestazione Euroflora a Genova
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750th Anniv of Siena University
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Tourist Publicity (18th series)
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Europa Youth Meeting, Venice
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500th Anniv (1992) of Discovery of America by Christopher Columbus (1st issue).
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Birth Bicentenary of Giuseppe Gioachino Belli (poet)
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Artistic Heritage 3° series
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Europa
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Artistic Heritage 4° series
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1991 D. A. Azuni Lyceum, Sassari
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Sampdoria, National Football Champion, 199091
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Centenary of Basketball.
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United Nations Conference on Rights of the Child
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Artistic Heritage 5° series
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Egyptian Museum, Turin
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100 Years of Radio (1st issue) - Luigi Galvani
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Death Bicentenary of Wolfgang Amadeus Mozart (composer)
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Nature Protection
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Stamp Day 6° series
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Birth Cent of Pietro Nenni (politician)
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1991 - Natale
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1991 The complete year
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1991 - Castelli d'Italia stamps in rolls of 600 and 800 Lire