Black and Gray Vest set, approximately a Women's Small. Undershirt is a gray silk satin, vest is from Custom Designs by Denise. Note that the vest is super stretchy, lightweight, and is a pull on. Both pieces in very good condition. 
 
Measurements
Vest
Bust 34/38"
Waist 26/32"
Hips 32/36"
Back Length 21"
Shirt
Bust 36"
Waist 32"
Hips 38"
Arms 24"
Shoulders 15"
Back Length 27"