knop in the shape of a crouching lion, encircled by four further lions, all amidst scrolling grapevine, the outer circle with birds flying amongst fruiting grapevines, all framed by a small trefoil cloud border, 9.8cm diameterFootnote: For a similar Tang bronze mirror see Sotheby's, Fine Chinese Art, London, 9 June 1992, lot 13.