RARE NWT MM6 SS18 White Denim Oversized Top

Rare brand new, MM6 Maison Martin Margiela white denim 2 piece top. Oversized v-neck top with a backless, collared, button up that can be worn inside, connected at the top by a matching button. Or, wear them as 2 separate pieces. Model seen wearing the top with the inner piece hanging on the back. Inner piece has 2 tie strings. Please let me know if you need measurements or more photos!! Size 40 converts to size L. I'm 5'2" and it is like a huge dress. I'm open to offers!