At DH Ketterling Consulting LLC,
we do much more than simply buy and sell nice coins.
Don Ketterling has enjoyed one of the most diverse and expansive careers in all of professional numismatics. His quest to increase his knowledge base applies to coins, currency, exonumia, related collectibles, and the services he offers. Just when he thinks he's seen it all, he is asked to apply his expertise to a brand new numismatic need.
Don's most-requested services include: