The collections, its diversity, and size are considered a wealth of heritage and a historical reference for Arabia.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
1979
مغلف فني
برج الماء
مغلف تذكاري تحية من الرياض
13.06.1979