The knowledge of medals [electronic resource] : or, instructions for those who apply themselves to the study of medals both ancient and modern. Shewing, I. The Age of Medals, and of those which are most Valuable. II. The Metals whereof Medals are made, and the different Sizes that form the several Series's in the same Metals, of Gold, Silver, and Copper. III. The several Heads and Reverses that render Medals more or less Beautiful and Curious. IV. The different Languages that compose the Inscriptions on Medals according to the Countries where coined. V. The best way to preserve Medals, on which their Beauty and Value particularly depend. VI. The Knowledge of the Ornaments and Symbols where-with Medals are charged. Vii. The various Ways of Counterfeiting Medals, and how to discover them. Viii. The Principles laid down by the Curious, to facilitate the Knowledge of Medals. Written by a nobleman of France. Made English by an eminent hand.