This book is considered an era of gold, a journey in the collection of Mr. Abdullah bin JassimAl-Mutairi, one of the most important books in the history of Islamic coins because it representsa specialized academic scientific study of a group of coins kept in the collection of Mr. Abdullahbin Jassim Al-Mutairi, and it is clear from the title of the book that all of them are gold coins thatrepresent The Islamic era since the time of the Messenger Muhammad, God’s prayers andpeace be upon him, until the fourteenth century Hijri, and it belongs to more than threehundred families and countries established in the land of Islam throughout this long history ofIslamic civilization, and then the title of the book was chosen to be (an era of gold) to be awitness to the greatness of Islamic civilization throughout fourteen years A century ago, and inthis era, the writer deals with the topic of the general critical context of the Islamic regions andstates (Morocco and Andalusia – Egypt and the Levant)