The collections, its diversity, and size are considered a wealth of heritage and a historical reference for Arabia.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 1960م
طابع اتحاد البريد العربي 1960م
م14.05.1960 = 18.11.1379 هـ