The most popular union label found in vintage clothing is from the International Ladies’ Garment Workers’ Union. This dress was known as the Peplum style most common vintage 1940’s dress. This dress is in perfect conditions. It has a zipper to the back and an open back slit to the dress. It says Size 11 but it’s like. Size 10 in women. Measurements: 16” inches at the waist 18” at the chest /back 39.5” in length.