A group of archaic and archaistic jade carvings

Including three jade discs in xuanji form, each with a central aperture, the outer edge featuring pronounced notches, two discs carved with further serrations, possibly Neolithic period; two Zhou-style huang pendants each in the form of stylized dragons, each side skillfully carved with dense scroll patterns, and drilled with small holes for suspension; the sixth, a plaque with two animal-head termini, three circular apertures and a 'sawtooth' lower edge; the seventh, an axe carved with a dramatic human face on both sides.
6 1/2in (16.5cm) width of widest (7).