The collections, its diversity, and size are considered a wealth of heritage and a historical reference for Arabia.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
1974 م
مغلف مرجع مراسلات الحجاج
الطوابع: 483 و 495 (ميشيل)
1/10/1394 هـ 16/10/1974 م