90s witchy maxi dress with Asian-inspired collar and floral velvet details - size M/L

Long black dress with floral velvet patterns and an Asian collar.
Vintage model from a French brand.

Label indicates size 42, but it would now correspond more to a M to L.
Measurements are available in the photo carousel.
The model in the photo is 1m65 (5'5") tall and wears a size S/36 to M/38.
D023