The collections, its diversity, and size are considered a wealth of heritage and a historical reference for Arabia.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
1965 مارس
مغلف
مغلف مسجل ختم البريد الجوي
الطابع الجوي ـ سعود 1
11.03.1965 = 08.11.1384 هـ