A highly unusual thirty-hour longcase clock movement and dial with decorative skeletonized plates

A highly unusual thirty-hour longcase clock movement and dial with decorative skeletonized plates, unsigned, circa 1700
The four finned pillar two-train countwheel bell striking movement with off-set anchor escapement incorporating bent-strip form pallets for regulation by a seconds pendulum, the rectangular front and back plates decoratively pierced with a vertical stem issuing six symmetrical stylized tulip flowers with the centre of each bud carrying pivots for the going train on the right and strike train on the left, the centre with external countwheel indistinctly engraved James.., the 11 inch square brass dial with delicate leafy spray engraved centre and single pierced steel hand within 8.25 inch diameter Roman numeral chapter ring with stylized leaf decorated cruciform half hour markers, the angles with winged cherub head and foliate scroll cast spandrels (no pendulum or weight).