The collections, its diversity, and size are considered a wealth of heritage and a historical reference for Arabia.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
يوليو 1960م
ختم البريد الجوي
م25.07.1960 = 01.02.1380 هـ