Here is a gorgeous sleeveless dress by Joni Blair California. Feels like a mostly or all polyester. Black background with a bold and vivid floral print throughout. Black tulle under the skirt section makes for a great shape. There are also metal or plastic strips down the front at the seams to help keep the shape. Elastic at the neck strap, and a zippered back. This is a sharp dress in amazing condition with years of life left! Here are the exact measurements. (be sure to reference the last photo to see how I measure dresses)

Here are the measurements:

Bust 18"
Waist 16"
Hips 28"
Armhole 7"
Length 41"

This item is sold from a vintage boutique in Roanoke, VA.