The collections, its diversity, and size are considered a wealth of heritage and a historical reference for Arabia.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
أبريل 1939م
طابع الطغرة
مغلف إلى مكة المكرمة
26.04.1939 م = 20.02.1358