This is a seal from the book "Lesser Key of Solomon". According this text, the spirit Oriax, is described thus
"The Fifty-ninth Spirit is
Oriax, or Orias. He is a Great Marquis, and appeareth
in the Form of a Lion,3 riding upon a Horse Mighty and
Strong, with a Serpent’s Tail;4 and he holdeth in his
Right Hand two Great Serpents hissing. His Office is
to teach the Virtues of the Stars, and to know the Mansions
of the Planets, and how to understand their Virtues.
He also transformeth Men, and he giveth Dignities,
Prelacies, and Confirmation thereof; also Favour
with Friends and with Foes. He doth govern 30 Legions
of Spirits ; and his Seal is this, etc"