Thekidcollector- Large Size Silver coins of the World 16th - 19th centuries, and European Crowns 1700-1800 by John S. Davenport are a couple worth looking for as references.
Reference books in my collection:
Volumes 1,2 and 3 British Historical Medals By L Brown
British Coronation Medals by Wollaston
Medallic Illustrations of The History of Great Britain and Ireland,by The British Museum
Large Size Silver coins of the World 16th - 19th centuries,
European Crowns 1700-1800 by John S. Davenport
United States Coins: an Illustrated History, by Q David Bowers
United States Coinage: The Garret Collection, by Q David Bowers
Counterfeit U.S. Coins by Taxay
Detecting Counterfeit Gold Coins by lonesome John.
ANA Certification Counterfeit Detection from The Numismatist
ANA Grading Standards for United States Coins
A Guide Book of Mexican Coins 1822 to date by T. V.Buttrey