The "Dahlia" powder pot/box was originally designed and produced by Rene Lalique c1931. The design is one of the timeless classics that is still produced in several sizes. This box is the number 2 size that retails for c£450.
This particular example is a modern crystal version c1990-2000. The base of the box is engraved "Lalique ® France".
The box measures 11.5 cm (4.6") in diameter and it stands 7 cm (2.7") tall.
The powder pot/box is in excellent condition, with no faults noted. It does not appear to have been used.