I. Jordanov, "The Seals of Byzantine Fiscal Institutions (815/6-971) Discovered in Bulgaria", Studies in Byzantine Sigillography 9, 2006, p. 97-143.
| p. 105-6 no. 8 | |
| p. 105-6 no. 8 | |
| 109-110 25, 26, 27 | |
| 109-110 25, 26, 27 |
I. Jordanov, "The Seals of Byzantine Fiscal Institutions (815/6-971) Discovered in Bulgaria", Studies in Byzantine Sigillography 9, 2006, p. 97-143.
| p. 105-6 no. 8 | |
| p. 105-6 no. 8 | |
| 109-110 25, 26, 27 | |
| 109-110 25, 26, 27 |