The collections, its diversity, and size are considered a wealth of heritage and a historical reference for Arabia.
Group includes
212,000 stamps (oldest since 1867)
5,000 documents (oldest since 1865)
120,000 manuscripts and books
1984م أكتوبر
مغلف
مغلف مسجل ختم بريد مسجل
طابع اتحاد البريد العالمي 1983م
25.10.1984 = 29.01.1405 هـ