Mario Diena
Italian philatelist
About Mario Diena
Lived 1891 – 1971 (aged 80).
Dr. Mario Diena (6 July 1891 – 4 November 1971) was an Italian philatelist who was added to the Roll of Distinguished Philatelists in 1956.
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Important facts
Contemporaries
People whose lives overlapped Mario Diena's
Frequently asked questions
Who was Mario Diena?
Italian philatelist
When was Mario Diena born?
Mario Diena was born on 6 July 1891.
When did Mario Diena die?
Mario Diena died on 4 November 1971.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Mario Diena. https://biography.guide/mario-diena/
MLA: "Mario Diena." Biography.guide, https://biography.guide/mario-diena/.
Chicago: "Mario Diena." Biography.guide. https://biography.guide/mario-diena/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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