The collections, its diversity, and size are considered a wealth of heritage and a historical reference for Arabia.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
"1955م قسيمة جواب المملكة العربية السعودية قسيمة نموذج 1 اتحاد البريد العربي"