In this study, Nine Pieces of the Coins of the Rayyan State were Presented that allegedly Ruled over Two and a Quarter Centuries in the period (1079-1314 AH / 1668-1896 AD) in a Geographical Range Extending from Eritrea in the North to Lesotho and South Africa in the South, and from Somalia in the east to Uganda in the west. These Coins Bear the Names of the kings of the Rayyan State, the Dates of their Minting, and the Cities where they were Minted, and their Contents Revealed many Political, Religious and Sectarian Matters Pertaining to the Relations of the Rayyan state with its Subjects and its Neighbor's, the Abyssinians, the Egyptians, the Ottomans and others. Books of Travelers, Not in Documents and Historical Writings, nor among the Ruling kingdoms in Islamic History. The Study is Equipped with Seventeen Colored plates.