The collections, its diversity, and size are considered a wealth of heritage and a historical reference for Arabia.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
1403
19xx
مغلف اليوم الأول للإصدار
طابع الحج 1403
مغلف خاص