""A Treatise On The Coins Of The Realm: In A Letter To The King"" is a book written by Charles Jenkinson Earl Of Liverpool in 1880. The book is a detailed analysis of the coins that were in circulation in the United Kingdom during the reign of King George III. The author provides a comprehensive overview of the history, design, and production of these coins, as well as their value and significance. The book is written as a letter to the king, which...