Vintage Chinese Carved Hardstone Jade Style Bi Disc Chilong Dragons 7”

Vintage Chinese carved hardstone / jade-style bi disc plaque with raised chilong dragon decoration. Features a circular form with central opening, high-relief mythical beast / chilong designs on the front, and raised spiral grain pattern on the reverse. Approx. 7 inches in diameter. Material has not been professionally tested, so it is listed as hardstone / jade-style. Pre-owned vintage condition with surface wear, discoloration, residue, patina, and natural stone variations. Please review all photos carefully for size, details, and condition