Konstantinos 122 was exkoubitor; owner of a seal perhaps dateable to the seventh or eighth century: Schlumberger, Sig., p. 346, no. 2. The text given by Schlumberger reads: Κωνσταντίνῳ ἐξκουβίτωρ[η]. For the date, cf. Haldon, Byzantine Praetorians, p. 162.

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