An evening coat by Balenciaga from the late 50s or 60s. I love the scalloped edge. The monochromatic floral motif reminds me of wedding dresses from Alabama Chanin:
A silk sash made in 1925 by Natalia Goncharova for House of Myrbor:
An evening dress by Pierre Balmain from the 1950s:
Silk and velvet applique by Natalia Goncharova in 1923 for House of Myrbor:
All images (except the Alabama Chanin pics) are from the Victoria and Albert Museum.