Ancient Coins & Antiquities from A. G. & S. Gillis
Established in 1985 and online since 1996, A. G. & S. Gillis offers over four decades of expertise in ancient coins and antiquities. We serve collectors, museums, and academic institutions worldwide with carefully selected historical items.
Every piece in our catalogue is accurately described, fairly priced, and backed by our lifetime authenticity guarantee. New additions are listed regularly, with clear photographs, reliable attributions, and a commitment to professional service for both new and experienced collectors.
Browse Our Categories
Greek, Celtic, Roman, Byzantine, Medieval, Milled Antiquities
Bronze Age to Medieval & Later New Additions
Recently added items Special Offers
Discounted groups & selections
Our Service & Guarantee
Every item we sell is guaranteed authentic and supplied with a printed ticket description and invoice, which together form your lifetime guarantee of authenticity. We ship worldwide and welcome enquiries from collectors at all levels.
If you have any questions or wish to reserve an item, please contact us.
Thank you for visiting — we hope you enjoy browsing the catalogue.