Online Catalogue of Byzantine Seals

The Dumbarton Oaks online catalogue is an ongoing project to record the 17,000 Byzantine lead seals held by Dumbarton Oaks and publish them online. From this page you can browse or search the collection, learn about sigillography and download tools to help teachers present sigillography to their students.
Search the Catalogue

Types of Seal

How to use the Catalogue

Sigillographic Publications

Online Exhibitions