Vintage 1950's Red & Black Silk Couture Evening Gown By Sonia Gowns Inc. / SmallA B O U T One of the crown jewels in our Xtabay Holiday Collection, this rare 1957 Sonia Inc. gown custom made and sold at Bergdorf Goodman is a stunning example of mid century luxury and design. Constructed with the care and expertise one would find in modern day haute couture. Sonia Inc. was the label for designer Sonia Rosenberg who was commissioned by luxury department stores to create expensive and exclusive pieces. Constructed from the finest