Mario Diena
Italian philatelist
From Wikipedia, the free encyclopedia
Dr. Mario Diena (6 July 1891 – 4 November 1971)[1] was an Italian philatelist who was added to the Roll of Distinguished Philatelists in 1956.
Italian philatelist
From Wikipedia, the free encyclopedia
Dr. Mario Diena (6 July 1891 – 4 November 1971)[1] was an Italian philatelist who was added to the Roll of Distinguished Philatelists in 1956.
