The collections, its diversity, and size are considered a wealth of heritage and a historical reference for Arabia.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
1950 م
مغلف مراسلات الحجاج
ختم "بالطائرة" نادر جدأً
الطوابع: 240 و 15 و طابعان 29 و الإسعاف (ميشيل)
6/12/1369 هـ 18/9/1950 م