Mario Diena
Dr. Mario Diena (1891-yil 6-iyul – 1971-yil 4-noyabr[1]) — italyan filatelisti. U 1956-yilda Taniqli filatelistlar ro‘yxatiga kiritilgan.
Manbalar
- ↑ Background notes on The Roll of Distinguished Philatelists September 2011, Roll of Distinguished Philatelists Trust, London, 2011. Archived here.
 | Filatelistga oid ushbu maqola chaladir. Siz uni boyitib, ZiyoSferaga yordam berishingiz mumkin. |