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This is a seal from the book "Lesser Key of Solomon". According this text, the spirit Naberius, is described thus
"The Twenty-fourth Spirit is Naberius.
He is a most valiant Marquis, and showeth in the
form of a Black Crane, fluttering about the Circle, and
when he speaketh it is with a hoarse voice. He maketh
men cunning in all Arts and Sciences, but especially in
the Art of Rhetoric. He restoreth lost Dignities and
Honours. He governeth 19 Legions of Spirits. His Seal
is this, which is to be worn, etc"