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chrysobullos logos

Roman and Byzantine document

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A chrysobullos logos was a significant official document in the Byzantine Empire, characterized by its golden seal. The term "chrysobull" itself refers to a pendent seal made of gold, or a document issued under such a seal. These documents were prepared in imperial writing offices, or chanceries, and were reserved for the emperor's personal documents, written in a carefully embellished script.12

The chrysobullos logos was considered the emperor's solemn word, appearing three times within the text in red ink. It followed a specific structure, including parts like the invocatio, intitulatio, narratio, and dispositio, and was validated by the golden bull. A simplified version, the chrysobullon sigillion, was used for less important privileges and was validated by the emperor's insertion of a statement of month and indiction.1

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