Signature Series coins are certified coins whose labels have been hand-signed by someone with an interesting personal connection to a particular coin. Signature Series coins allow collectors to customize their sets, enhance the quality of presentation, and add a level of exclusivity and collectability.
John W. Dannreuther Co-founded PCGS in 1986, is one of the great numismatic research experts of all time. He has authored several books, including The Official Guide to Coin Grading, Counterfeit Detection, Early U.S. Gold Varieties, and Proof Gold Coinage of the U.S. He was named one of Coin World’s Most Influential People (1960-2020).