Ex-Nummis is a numismatic business with more than 30 years of experience in the study and trade of collectible coins and related items. Its expertise has a particular focus on ancient Roman and Greek coins, supported by knowledge of authenticity, condition, and valuation. The business has expanded its selection to serve collectors with a broad range of numismatic pieces, including ancient, medieval, and modern coins, collectible banknotes, medals, exonumia, and other items of collector interest.

Each piece offered is subject to careful analysis, helping customers buy with greater confidence. Through its online store, Ex-Nummis sells individual pieces and welcomes inquiries from people interested in selling coins or collections, offering personalized attention. The business also provides tailored advice for customers considering numismatic investments or starting or developing a collection, helping them assess potential purchases and plan their collecting goals.

In addition, Ex-Nummis offers case-by-case coin restoration aimed at stabilizing the progression of corrosion, particularly where age or unsuitable storage has caused damage