The collections, its diversity, and size are considered a wealth of heritage and a historical reference for Arabia.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 1977م
مغلف
مغلف مسجل ختم أحمر
طابع بترومين
طابع الخفجي 76م
11.04.1977م= 21.04.1397 هـ