Our Team
Alexandrea Zieman
With 20 years of numismatic experience under her belt, she is one of the best numismatists in the area! Alex has worked for a couple of the most prestigious companies in the business, NGC and Heritage Auctions.
John Zieman
The patriarch of the family has long time numismatic experience mostly regarding the ever changing market. John is the backbone of the family business and is the foremost authority on slab holders.