Pantelis Charalampakis, National Archaeological Institute with Museum - Bulgarian Academy of Sciences

Olga Karagiorgou, Academy of Athens

Christos Malatras, Sorbonne University

The TAKTIKON volume on the prosopography and administrative structure of the Byzantine themata (Athens 2021) published chronological catalogues of officials who were active in the themes of Hellas, Opsikion, the Anatolikoi and the Kibyrraiotai; these catalogues relied on the combined evidence from non-sigillographic and especially sigillographic sources. More specifically, a total of 1110 thematic molybdoboulla were taken into consideration in the TAKTIKON volume and it is mainly on their evidence that the known (before the publication of the TAKTIKON volume) number of officials in these themes almost doubled. Further research in sigillographic collections and auction catalogues over the last three years has brought forward several new specimens issued by officials active in the themes mentioned above. Some of them are parallel or similar specimens of known types, while others introduce new officials, which further enrich the prosopography of the themes included in the TAKTIKON volume. Apart from discussing some of these new additions which attest to previously unknown officials, this paper also demonstrates the flexibility of the TAKTIKON online database in accommodating important new data.