The collections, its diversity, and size are considered a wealth of heritage and a historical reference for Arabia.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
فبراير 1950م
طابع جوي 1949م
م15.02.1950 = 27.04.1369 هـ