Euphemios 6 was a droungarios; owner of a seal dateable to the eighth or ninth century: Borsari, no. 14. Obv.: cruciform monogram of Θεοτόκε βοήθει, with τω - σω - δου - λω in the corners. Rev.: Ευφη - μηω δρ - ουγγαρ - ηω αμην. The seal is in the Archaeological Museum of Syracuse, implying that Euphemios 6 was in office in Sicily.

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