Decorative ornament - Pair of cassolettes

This is a pair of decorative urns from the 19th century (likely Napoléon III style or Neoclassical), often used as scent burners, indoor incense burners, or potpourri holders.
Materials and structure
Patinated metal / Bronze: The upper part (lid, container and handles) is made of patinated black/dark metal with gold reflections or aged bronze.
Massive base: The urn rests on a molded stepped plinth, fixed to a wide dark square base, probably in black marble (or regulé/cast painted).
Ornamental details
Removable lid: Decorated with floral reliefs and foliage, topped by a flower-shaped knob or floral bud.
Body and handles: The urn body features beaded and floral relief motifs, bordered by two twisted handles shaped like branches or vegetal scrolls.
Base: The lower edge of the base incorporates a molded carved frieze.