The collections, its diversity, and size are considered a wealth of heritage and a historical reference for Arabia.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
1969-1975
قصاصة مغلف موجه إلى سمو الأمير خالد بن ناصر بن عبد العزيز