Large Sèvres porcelain cup circa 1824 with lapis base

A large chocolate cup and saucer in hard porcelain with a lapis blue base, lightly projected with gold flakes in imitation of the pyrite found in lapis lazuli. The borders are decorated with gold and platinum fleurons framed by Antique-style friezes.
The reverse is marked in blue with two interlaced C's framing an X for Charles X, with the words ‘Sèvres 24’ for the year 1824. Marks in gold and green.
First third of the 19th century circa 1824
Diameter of saucer 17.5 cm
Height of cup 9 cm
Cup length 14.5 cm