Interesting French Charles X Very Fine Original Gilded Portico Clock c.1830

Interesting French Charles X Very Fine Original Gilded Portico Clock Circa 1830. Signed: Verdière Rue Dauphine No 15 à Paris. Verdière was working in rue Dauphine from 1820 till 1840. Still with the very interesting and unusual original Gridiron pendulum, suspended on a reverse Knife-edge. (see image). All over in original gilded used condition, with beautiful original old patination. The original signed dial in used condition. Still with the fully cleaned and serviced original movement, striking on a bell every 30 minutes, in fully working order, running for 1 week. French circa 1830.