A fine small engraved gilt carriage timepiece

A fine small engraved gilt carriage timepiece
Probably by Aubert & Klaftenberger, London, No. 4361, the case signed L. Lange, No. 1098
Date: Mid 19th century
Movement: Rectangular plates joined by six pillars, fusee and chain, lever escapement on back plate with plain three arm balance
Dial: Scroll engraved gilt mask enclosing silvered roman chapter ring with further scrolls in the center, blued Breguet hands
Case: Engraved all over with leafy scrolls, scroll handle and ball finials above corner columns chased with leaves, on molded base raised on bun feet
Size: 5 ½ in (14cm) high including handle