Large 19th century French black slate malachite and marble t...

Large 19th century French black slate malachite and marble two train mantel clock, the 5.5" black Roman numeral dial with visible Brocot escapement, unsigned movement striking the half hours and hours on two gongs, within an impressive pagoda top architectural case with turned pillars upon a stepped plinth inset with malachite and marble panels, applied with a presentation silver plated plaque dated December 1877, 23.25" high (no pendulum) (small chip to the front right of the case)

Estimation:-

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