Lanvin cotton embroidered/cutout pattern Dress

This Lanvin light weight dress is stunning and classic, never worn. The fabric is engineered cutout embroidery black on cream, lined in white. Elasticized drawstring neckline and wrists, can be worn off shoulder or on. Seems like cotton, there is no content label. The sleeves are meant to balloon and have a drawstring elastic adjustable wrist. Italian size 36, bust flat across 18”, hip 21”