Is this the one? The picture is from Barney's.
p://www.barneys.com/b/browse/product.s?productId=751667&source=category&index=31&prodIndex=31&l
stSize=64&categoryId=463598
Sorry, I couldn't copy and paste it for some reason, but Barney's has a lot of Lanvin's. I think this is the one you're looking for. It's very nice.